171088Sjasone/*-
271088Sjasone * Copyright (c) 1999-2002, 2007-2011 Robert N. M. Watson
371088Sjasone * Copyright (c) 2001-2005 Networks Associates Technology, Inc.
471088Sjasone * Copyright (c) 2005-2006 SPARTA, Inc.
571088Sjasone * All rights reserved.
671088Sjasone *
771088Sjasone * This software was developed by Robert Watson for the TrustedBSD Project.
871088Sjasone *
971088Sjasone * This software was developed for the FreeBSD Project in part by Network
1071088Sjasone * Associates Laboratories, the Security Research Division of Network
1171088Sjasone * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
1271088Sjasone * as part of the DARPA CHATS research program.
1371088Sjasone *
1471088Sjasone * This software was enhanced by SPARTA ISSO under SPAWAR contract
1571088Sjasone * N66001-04-C-6019 ("SEFOS").
1671088Sjasone *
1771088Sjasone * This software was developed at the University of Cambridge Computer
1871088Sjasone * Laboratory with support from a grant from Google, Inc.
1971088Sjasone *
2071088Sjasone * Redistribution and use in source and binary forms, with or without
2171088Sjasone * modification, are permitted provided that the following conditions
2271088Sjasone * are met:
2371088Sjasone * 1. Redistributions of source code must retain the above copyright
2471088Sjasone *    notice, this list of conditions and the following disclaimer.
2571088Sjasone * 2. Redistributions in binary form must reproduce the above copyright
2671088Sjasone *    notice, this list of conditions and the following disclaimer in the
2771088Sjasone *    documentation and/or other materials provided with the distribution.
2871088Sjasone *
2971088Sjasone * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
3071088Sjasone * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
3171088Sjasone * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
3271088Sjasone * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
3371088Sjasone * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
3471088Sjasone * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
3571088Sjasone * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
3671088Sjasone * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
3771088Sjasone * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3871088Sjasone * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3971088Sjasone * SUCH DAMAGE.
4071088Sjasone */
4171088Sjasone
4271088Sjasone/*
4371088Sjasone * Kernel interface for Mandatory Access Control -- how kernel services
4471088Sjasone * interact with the TrustedBSD MAC Framework.
4571088Sjasone */
4671088Sjasone
4771088Sjasone#ifndef _SECURITY_MAC_MAC_FRAMEWORK_H_
4871088Sjasone#define	_SECURITY_MAC_MAC_FRAMEWORK_H_
4971088Sjasone
5071088Sjasone#ifndef _KERNEL
5171088Sjasone#error "no user-serviceable parts inside"
5271088Sjasone#endif
5371088Sjasone
5471088Sjasonestruct auditinfo;
5571088Sjasonestruct auditinfo_addr;
5671088Sjasonestruct bpf_d;
5771088Sjasonestruct cdev;
5871088Sjasonestruct componentname;
5971088Sjasonestruct devfs_dirent;
6071088Sjasonestruct ifnet;
6171088Sjasonestruct ifreq;
6271088Sjasonestruct image_params;
6371088Sjasonestruct inpcb;
6471088Sjasonestruct ip6q;
6571088Sjasonestruct ipq;
6671088Sjasonestruct kdb_dbbe;
6771088Sjasonestruct ksem;
6871088Sjasonestruct label;
6971088Sjasonestruct m_tag;
7071088Sjasonestruct mac;
7171088Sjasonestruct mbuf;
7271088Sjasonestruct mount;
7371088Sjasonestruct msg;
7471088Sjasonestruct msqid_kernel;
7571088Sjasonestruct proc;
7671088Sjasonestruct semid_kernel;
7771088Sjasonestruct shmfd;
7871088Sjasonestruct shmid_kernel;
7971088Sjasonestruct sockaddr;
8071088Sjasonestruct socket;
8171088Sjasonestruct sysctl_oid;
8271088Sjasonestruct sysctl_req;
8371088Sjasonestruct pipepair;
8471088Sjasonestruct thread;
8571088Sjasonestruct timespec;
8671088Sjasonestruct ucred;
8771088Sjasonestruct vattr;
8871088Sjasonestruct vnode;
8971088Sjasonestruct vop_setlabel_args;
9071088Sjasone
9171088Sjasonestruct in_addr;
9271088Sjasonestruct in6_addr;
9371088Sjasone
9471088Sjasone#include <sys/acl.h>			/* XXX acl_type_t */
9571088Sjasone#include <sys/types.h>			/* accmode_t */
9671088Sjasone
9771088Sjasone#include <ddb/ddb.h>			/* db_expr_t */
9871088Sjasone
9971088Sjasone/*
10071088Sjasone * Entry points to the TrustedBSD MAC Framework from the remainder of the
10171088Sjasone * kernel: entry points are named based on a principle object type and an
10271088Sjasone * action relating to it.  They are sorted alphabetically first by object
10371088Sjasone * type and then action.  In some situations, the principle object type is
10471088Sjasone * obvious, and in other cases, less so as multiple objects may be inolved
10571088Sjasone * in the operation.
10671088Sjasone */
10771088Sjasoneint	mac_bpfdesc_check_receive(struct bpf_d *d, struct ifnet *ifp);
10871088Sjasonevoid	mac_bpfdesc_create(struct ucred *cred, struct bpf_d *d);
10971088Sjasonevoid	mac_bpfdesc_create_mbuf(struct bpf_d *d, struct mbuf *m);
11071088Sjasonevoid	mac_bpfdesc_destroy(struct bpf_d *);
11171088Sjasonevoid	mac_bpfdesc_init(struct bpf_d *);
11271088Sjasone
11371088Sjasonevoid	mac_cred_associate_nfsd(struct ucred *cred);
11471088Sjasoneint	mac_cred_check_setaudit(struct ucred *cred, struct auditinfo *ai);
11571088Sjasoneint	mac_cred_check_setaudit_addr(struct ucred *cred,
11671088Sjasone	    struct auditinfo_addr *aia);
11771088Sjasoneint	mac_cred_check_setauid(struct ucred *cred, uid_t auid);
11871088Sjasoneint	mac_cred_check_setegid(struct ucred *cred, gid_t egid);
11971088Sjasoneint	mac_cred_check_seteuid(struct ucred *cred, uid_t euid);
12071088Sjasoneint	mac_cred_check_setgid(struct ucred *cred, gid_t gid);
12171088Sjasoneint	mac_cred_check_setgroups(struct ucred *cred, int ngroups,
12271088Sjasone	    gid_t *gidset);
12371088Sjasoneint	mac_cred_check_setregid(struct ucred *cred, gid_t rgid, gid_t egid);
12471088Sjasoneint	mac_cred_check_setresgid(struct ucred *cred, gid_t rgid, gid_t egid,
12571088Sjasone	    gid_t sgid);
12671088Sjasoneint	mac_cred_check_setresuid(struct ucred *cred, uid_t ruid, uid_t euid,
12771088Sjasone	    uid_t suid);
12871088Sjasoneint	mac_cred_check_setreuid(struct ucred *cred, uid_t ruid, uid_t euid);
12971088Sjasoneint	mac_cred_check_setuid(struct ucred *cred, uid_t uid);
13071088Sjasoneint	mac_cred_check_visible(struct ucred *cr1, struct ucred *cr2);
13171088Sjasonevoid	mac_cred_copy(struct ucred *cr1, struct ucred *cr2);
13271088Sjasonevoid	mac_cred_create_init(struct ucred *cred);
13371088Sjasonevoid	mac_cred_create_swapper(struct ucred *cred);
13471088Sjasonevoid	mac_cred_destroy(struct ucred *);
13571088Sjasonevoid	mac_cred_init(struct ucred *);
13671088Sjasone
13771088Sjasoneint	mac_ddb_command_register(struct db_command_table *table,
13871088Sjasone	    struct db_command *cmd);
13971088Sjasoneint	mac_ddb_command_exec(struct db_command *cmd, db_expr_t addr,
14071088Sjasone	    bool have_addr, db_expr_t count, char *modif);
14171088Sjasone
14271088Sjasonevoid	mac_devfs_create_device(struct ucred *cred, struct mount *mp,
14371088Sjasone	    struct cdev *dev, struct devfs_dirent *de);
14471088Sjasonevoid	mac_devfs_create_directory(struct mount *mp, char *dirname,
14571088Sjasone	    int dirnamelen, struct devfs_dirent *de);
14671088Sjasonevoid	mac_devfs_create_symlink(struct ucred *cred, struct mount *mp,
14771088Sjasone	    struct devfs_dirent *dd, struct devfs_dirent *de);
14871088Sjasonevoid	mac_devfs_destroy(struct devfs_dirent *);
14971088Sjasonevoid	mac_devfs_init(struct devfs_dirent *);
15071088Sjasonevoid	mac_devfs_update(struct mount *mp, struct devfs_dirent *de,
15171088Sjasone	    struct vnode *vp);
15271088Sjasonevoid	mac_devfs_vnode_associate(struct mount *mp, struct devfs_dirent *de,
15371088Sjasone	    struct vnode *vp);
15471088Sjasone
15571088Sjasoneint	mac_ifnet_check_transmit_impl(struct ifnet *ifp, struct mbuf *m);
15671088Sjasone#ifdef MAC
15771088Sjasoneextern bool mac_ifnet_check_transmit_fp_flag;
15871088Sjasone#else
15971088Sjasone#define mac_ifnet_check_transmit_fp_flag false
16071088Sjasone#endif
16171088Sjasone#define mac_ifnet_check_transmit_enabled() __predict_false(mac_ifnet_check_transmit_fp_flag)
16271088Sjasonestatic inline int
16371088Sjasonemac_ifnet_check_transmit(struct ifnet *ifp, struct mbuf *m)
16471088Sjasone{
16571088Sjasone
16671088Sjasone	if (mac_ifnet_check_transmit_enabled())
16771088Sjasone		return (mac_ifnet_check_transmit_impl(ifp, m));
16871088Sjasone	return (0);
16971088Sjasone}
17071088Sjasone
17171088Sjasonevoid	mac_ifnet_create(struct ifnet *ifp);
17271088Sjasone
17371088Sjasonevoid	mac_ifnet_create_mbuf_impl(struct ifnet *ifp, struct mbuf *m);
17471088Sjasone#ifdef MAC
17571088Sjasoneextern bool mac_ifnet_create_mbuf_fp_flag;
17671088Sjasone#else
17771088Sjasone#define mac_ifnet_create_mbuf_fp_flag false
17871088Sjasone#endif
17971088Sjasone#define mac_ifnet_create_mbuf_enabled() __predict_false(mac_ifnet_create_mbuf_fp_flag)
18071088Sjasonestatic inline void
18171088Sjasonemac_ifnet_create_mbuf(struct ifnet *ifp, struct mbuf *m)
18271088Sjasone{
18371088Sjasone
18471088Sjasone	if (mac_ifnet_create_mbuf_enabled())
18571088Sjasone		mac_ifnet_create_mbuf_impl(ifp, m);
18671088Sjasone}
18771088Sjasone
18871088Sjasonevoid	mac_ifnet_destroy(struct ifnet *);
18971088Sjasonevoid	mac_ifnet_init(struct ifnet *);
19071088Sjasoneint	mac_ifnet_ioctl_get(struct ucred *cred, struct ifreq *ifr,
19171088Sjasone	    struct ifnet *ifp);
19271088Sjasoneint	mac_ifnet_ioctl_set(struct ucred *cred, struct ifreq *ifr,
19371088Sjasone	    struct ifnet *ifp);
19471088Sjasone
19571088Sjasone/* Check if the IP address is allowed for the interface. */
19671088Sjasoneint	mac_inet_check_add_addr(struct ucred *cred,
19771088Sjasone	    const struct in_addr *ia, struct ifnet *ifp);
19871088Sjasoneint	mac_inet6_check_add_addr(struct ucred *cred,
19971088Sjasone	    const struct in6_addr *ia6, struct ifnet *ifp);
20071088Sjasone
20171088Sjasoneint	mac_inpcb_check_deliver(struct inpcb *inp, struct mbuf *m);
20271088Sjasoneint	mac_inpcb_check_visible(struct ucred *cred, struct inpcb *inp);
20371088Sjasonevoid	mac_inpcb_create(struct socket *so, struct inpcb *inp);
20471088Sjasonevoid	mac_inpcb_create_mbuf(struct inpcb *inp, struct mbuf *m);
20571088Sjasonevoid	mac_inpcb_destroy(struct inpcb *);
20671088Sjasoneint	mac_inpcb_init(struct inpcb *, int);
20771088Sjasonevoid	mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp);
20871088Sjasone
20971088Sjasonevoid	mac_ip6q_create(struct mbuf *m, struct ip6q *q6);
21071088Sjasonevoid	mac_ip6q_destroy(struct ip6q *q6);
21171088Sjasoneint	mac_ip6q_init(struct ip6q *q6, int);
21271088Sjasoneint	mac_ip6q_match(struct mbuf *m, struct ip6q *q6);
21371088Sjasonevoid	mac_ip6q_reassemble(struct ip6q *q6, struct mbuf *m);
21471088Sjasonevoid	mac_ip6q_update(struct mbuf *m, struct ip6q *q6);
21571088Sjasone
21671088Sjasonevoid	mac_ipq_create(struct mbuf *m, struct ipq *q);
21771088Sjasonevoid	mac_ipq_destroy(struct ipq *q);
21871088Sjasoneint	mac_ipq_init(struct ipq *q, int);
21971088Sjasoneint	mac_ipq_match(struct mbuf *m, struct ipq *q);
22071088Sjasonevoid	mac_ipq_reassemble(struct ipq *q, struct mbuf *m);
22171088Sjasonevoid	mac_ipq_update(struct mbuf *m, struct ipq *q);
22271088Sjasone
22371088Sjasoneint	mac_kdb_check_backend(struct kdb_dbbe *be);
22471088Sjasoneint	mac_kdb_grant_backend(struct kdb_dbbe *be);
22571088Sjasone
22671088Sjasoneint	mac_kenv_check_dump(struct ucred *cred);
22771088Sjasoneint	mac_kenv_check_get(struct ucred *cred, char *name);
22871088Sjasoneint	mac_kenv_check_set(struct ucred *cred, char *name, char *value);
22971088Sjasoneint	mac_kenv_check_unset(struct ucred *cred, char *name);
23071088Sjasone
23171088Sjasoneint	mac_kld_check_load(struct ucred *cred, struct vnode *vp);
23271088Sjasoneint	mac_kld_check_stat(struct ucred *cred);
23371088Sjasone
23471088Sjasonevoid	mac_mbuf_copy(struct mbuf *, struct mbuf *);
23571088Sjasoneint	mac_mbuf_init(struct mbuf *, int);
23671088Sjasone
23771088Sjasonevoid	mac_mbuf_tag_copy(struct m_tag *, struct m_tag *);
23871088Sjasonevoid	mac_mbuf_tag_destroy(struct m_tag *);
23971088Sjasoneint	mac_mbuf_tag_init(struct m_tag *, int);
24071088Sjasone
24171088Sjasoneint	mac_mount_check_stat(struct ucred *cred, struct mount *mp);
24271088Sjasonevoid	mac_mount_create(struct ucred *cred, struct mount *mp);
24371088Sjasonevoid	mac_mount_destroy(struct mount *);
24471088Sjasonevoid	mac_mount_init(struct mount *);
24571088Sjasone
24671088Sjasonevoid	mac_netinet_arp_send(struct ifnet *ifp, struct mbuf *m);
24771088Sjasonevoid	mac_netinet_firewall_reply(struct mbuf *mrecv, struct mbuf *msend);
24871088Sjasonevoid	mac_netinet_firewall_send(struct mbuf *m);
24971088Sjasonevoid	mac_netinet_fragment(struct mbuf *m, struct mbuf *frag);
25071088Sjasonevoid	mac_netinet_icmp_reply(struct mbuf *mrecv, struct mbuf *msend);
25171088Sjasonevoid	mac_netinet_icmp_replyinplace(struct mbuf *m);
25271088Sjasonevoid	mac_netinet_igmp_send(struct ifnet *ifp, struct mbuf *m);
25371088Sjasonevoid	mac_netinet_tcp_reply(struct mbuf *m);
25471088Sjasone
25571088Sjasonevoid	mac_netinet6_nd6_send(struct ifnet *ifp, struct mbuf *m);
25671088Sjasone
25771088Sjasoneint	mac_pipe_check_ioctl(struct ucred *cred, struct pipepair *pp,
25871088Sjasone	    unsigned long cmd, void *data);
25971088Sjasoneint	mac_pipe_check_poll_impl(struct ucred *cred, struct pipepair *pp);
26071088Sjasone#ifdef MAC
26171088Sjasoneextern bool mac_pipe_check_poll_fp_flag;
26271088Sjasone#else
26371088Sjasone#define mac_pipe_check_poll_fp_flag false
26471088Sjasone#endif
26571088Sjasone#define mac_pipe_check_poll_enabled() __predict_false(mac_pipe_check_poll_fp_flag)
26671088Sjasonestatic inline int
26771088Sjasonemac_pipe_check_poll(struct ucred *cred, struct pipepair *pp)
26871088Sjasone{
26971088Sjasone
27071088Sjasone	if (mac_pipe_check_poll_enabled())
27171088Sjasone		return (mac_pipe_check_poll_impl(cred, pp));
27271088Sjasone	return (0);
27371088Sjasone}
27471088Sjasone
27571088Sjasone#ifdef MAC
27671088Sjasoneextern bool mac_pipe_check_stat_fp_flag;
27771088Sjasone#else
27871088Sjasone#define mac_pipe_check_stat_fp_flag false
27971088Sjasone#endif
28071088Sjasone#define mac_pipe_check_stat_enabled() __predict_false(mac_pipe_check_stat_fp_flag)
28171088Sjasoneint	mac_pipe_check_stat(struct ucred *cred, struct pipepair *pp);
28271088Sjasoneint	mac_pipe_check_read_impl(struct ucred *cred, struct pipepair *pp);
28371088Sjasone#ifdef MAC
28471088Sjasoneextern bool mac_pipe_check_read_fp_flag;
28571088Sjasone#else
28671088Sjasone#define mac_pipe_check_read_fp_flag false
28771088Sjasone#endif
28871088Sjasone#define mac_pipe_check_read_enabled() __predict_false(mac_pipe_check_read_fp_flag)
28971088Sjasonestatic inline int
29071088Sjasonemac_pipe_check_read(struct ucred *cred, struct pipepair *pp)
29171088Sjasone{
29271088Sjasone
29371088Sjasone	if (mac_pipe_check_read_enabled())
29471088Sjasone		return (mac_pipe_check_read_impl(cred, pp));
29571088Sjasone	return (0);
29671088Sjasone}
29771088Sjasone
29871088Sjasoneint	mac_pipe_check_write(struct ucred *cred, struct pipepair *pp);
29971088Sjasonevoid	mac_pipe_create(struct ucred *cred, struct pipepair *pp);
30071088Sjasonevoid	mac_pipe_destroy(struct pipepair *);
30171088Sjasonevoid	mac_pipe_init(struct pipepair *);
30271088Sjasoneint	mac_pipe_label_set(struct ucred *cred, struct pipepair *pp,
30371088Sjasone	    struct label *label);
30471088Sjasone
30571088Sjasoneint	mac_posixsem_check_getvalue(struct ucred *active_cred,
30671088Sjasone	    struct ucred *file_cred, struct ksem *ks);
30771088Sjasoneint	mac_posixsem_check_open(struct ucred *cred, struct ksem *ks);
30871088Sjasoneint	mac_posixsem_check_post(struct ucred *active_cred,
30971088Sjasone	    struct ucred *file_cred, struct ksem *ks);
31071088Sjasoneint	mac_posixsem_check_setmode(struct ucred *cred, struct ksem *ks,
31171088Sjasone	    mode_t mode);
31271088Sjasoneint	mac_posixsem_check_setowner(struct ucred *cred, struct ksem *ks,
31371088Sjasone	    uid_t uid, gid_t gid);
31471088Sjasoneint	mac_posixsem_check_stat(struct ucred *active_cred,
31571088Sjasone	    struct ucred *file_cred, struct ksem *ks);
31671088Sjasoneint	mac_posixsem_check_unlink(struct ucred *cred, struct ksem *ks);
31771088Sjasoneint	mac_posixsem_check_wait(struct ucred *active_cred,
31871088Sjasone	    struct ucred *file_cred, struct ksem *ks);
31971088Sjasonevoid 	mac_posixsem_create(struct ucred *cred, struct ksem *ks);
32071088Sjasonevoid	mac_posixsem_destroy(struct ksem *);
32171088Sjasonevoid	mac_posixsem_init(struct ksem *);
32271088Sjasone
32371088Sjasoneint	mac_posixshm_check_create(struct ucred *cred, const char *path);
32471088Sjasoneint	mac_posixshm_check_mmap(struct ucred *cred, struct shmfd *shmfd,
32571088Sjasone	    int prot, int flags);
32671088Sjasoneint	mac_posixshm_check_open(struct ucred *cred, struct shmfd *shmfd,
32771088Sjasone	    accmode_t accmode);
32871088Sjasoneint	mac_posixshm_check_read(struct ucred *active_cred,
32971088Sjasone	    struct ucred *file_cred, struct shmfd *shmfd);
33071088Sjasoneint	mac_posixshm_check_setmode(struct ucred *cred, struct shmfd *shmfd,
33171088Sjasone	    mode_t mode);
33271088Sjasoneint	mac_posixshm_check_setowner(struct ucred *cred, struct shmfd *shmfd,
33371088Sjasone	    uid_t uid, gid_t gid);
33471088Sjasoneint	mac_posixshm_check_stat(struct ucred *active_cred,
33571088Sjasone	    struct ucred *file_cred, struct shmfd *shmfd);
33671088Sjasoneint	mac_posixshm_check_truncate(struct ucred *active_cred,
33771088Sjasone	    struct ucred *file_cred, struct shmfd *shmfd);
33871088Sjasoneint	mac_posixshm_check_unlink(struct ucred *cred, struct shmfd *shmfd);
33971088Sjasoneint	mac_posixshm_check_write(struct ucred *active_cred,
34071088Sjasone	    struct ucred *file_cred, struct shmfd *shmfd);
34171088Sjasonevoid 	mac_posixshm_create(struct ucred *cred, struct shmfd *shmfd);
34271088Sjasonevoid	mac_posixshm_destroy(struct shmfd *);
34371088Sjasonevoid	mac_posixshm_init(struct shmfd *);
34471088Sjasone
34571088Sjasoneint	mac_priv_check_impl(struct ucred *cred, int priv);
34671088Sjasone#ifdef MAC
34771088Sjasoneextern bool mac_priv_check_fp_flag;
34871088Sjasone#else
34971088Sjasone#define mac_priv_check_fp_flag false
35071088Sjasone#endif
35171088Sjasone#define mac_priv_check_enabled()	__predict_false(mac_priv_check_fp_flag)
35271088Sjasonestatic inline int
35371088Sjasonemac_priv_check(struct ucred *cred, int priv)
35471088Sjasone{
35571088Sjasone
35671088Sjasone	if (mac_priv_check_enabled())
35771088Sjasone		return (mac_priv_check_impl(cred, priv));
35871088Sjasone	return (0);
35971088Sjasone}
36071088Sjasone
36171088Sjasoneint	mac_priv_grant_impl(struct ucred *cred, int priv);
36271088Sjasone#ifdef MAC
36371088Sjasoneextern bool mac_priv_grant_fp_flag;
36471088Sjasone#else
36571088Sjasone#define mac_priv_grant_fp_flag false
36671088Sjasone#endif
36771088Sjasone#define mac_priv_grant_enabled()	__predict_false(mac_priv_grant_fp_flag)
36871088Sjasonestatic inline int
36971088Sjasonemac_priv_grant(struct ucred *cred, int priv)
37071088Sjasone{
37171088Sjasone
37271088Sjasone	if (mac_priv_grant_enabled())
37371088Sjasone		return (mac_priv_grant_impl(cred, priv));
37471088Sjasone	return (EPERM);
37571088Sjasone}
37671088Sjasone
37771088Sjasoneint	mac_proc_check_debug(struct ucred *cred, struct proc *p);
37871088Sjasoneint	mac_proc_check_sched(struct ucred *cred, struct proc *p);
37971088Sjasoneint	mac_proc_check_signal(struct ucred *cred, struct proc *p,
38071088Sjasone	    int signum);
38171088Sjasoneint	mac_proc_check_wait(struct ucred *cred, struct proc *p);
38271088Sjasonevoid	mac_proc_destroy(struct proc *);
38371088Sjasonevoid	mac_proc_init(struct proc *);
38471088Sjasonevoid	mac_proc_vm_revoke(struct thread *td);
38571088Sjasoneint	mac_execve_enter(struct image_params *imgp, struct mac *mac_p);
38671088Sjasonevoid	mac_execve_exit(struct image_params *imgp);
38771088Sjasonevoid	mac_execve_interpreter_enter(struct vnode *interpvp,
38871088Sjasone	    struct label **interplabel);
38971088Sjasonevoid	mac_execve_interpreter_exit(struct label *interpvplabel);
39071088Sjasone
39171088Sjasoneint	mac_socket_check_accept(struct ucred *cred, struct socket *so);
39271088Sjasoneint	mac_socket_check_bind(struct ucred *cred, struct socket *so,
39371088Sjasone	    struct sockaddr *sa);
39471088Sjasoneint	mac_socket_check_connect(struct ucred *cred, struct socket *so,
39571088Sjasone	    struct sockaddr *sa);
39671088Sjasoneint	mac_socket_check_create(struct ucred *cred, int domain, int type,
39771088Sjasone	    int proto);
39871088Sjasoneint	mac_socket_check_deliver(struct socket *so, struct mbuf *m);
39971088Sjasoneint	mac_socket_check_listen(struct ucred *cred, struct socket *so);
40071088Sjasoneint	mac_socket_check_poll(struct ucred *cred, struct socket *so);
40171088Sjasoneint	mac_socket_check_receive(struct ucred *cred, struct socket *so);
40271088Sjasoneint	mac_socket_check_send(struct ucred *cred, struct socket *so);
40371088Sjasoneint	mac_socket_check_stat(struct ucred *cred, struct socket *so);
40471088Sjasoneint	mac_socket_check_visible(struct ucred *cred, struct socket *so);
40571088Sjasonevoid	mac_socket_create_mbuf(struct socket *so, struct mbuf *m);
40671088Sjasonevoid	mac_socket_create(struct ucred *cred, struct socket *so);
40771088Sjasonevoid	mac_socket_destroy(struct socket *);
40871088Sjasoneint	mac_socket_init(struct socket *, int);
40971088Sjasonevoid	mac_socket_newconn(struct socket *oldso, struct socket *newso);
41071088Sjasoneint	mac_getsockopt_label(struct ucred *cred, struct socket *so,
41171088Sjasone	    const struct mac *extmac);
41271088Sjasoneint	mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so,
41371088Sjasone	    const struct mac *extmac);
41471088Sjasoneint	mac_setsockopt_label(struct ucred *cred, struct socket *so,
41571088Sjasone	    const struct mac *extmac);
41671088Sjasone
41771088Sjasonevoid	mac_socketpeer_set_from_mbuf(struct mbuf *m, struct socket *so);
41871088Sjasonevoid	mac_socketpeer_set_from_socket(struct socket *oldso,
41971088Sjasone	    struct socket *newso);
42071088Sjasone
42171088Sjasonevoid	mac_syncache_create(struct label *l, struct inpcb *inp);
42271088Sjasonevoid	mac_syncache_create_mbuf(struct label *l, struct mbuf *m);
42371088Sjasonevoid	mac_syncache_destroy(struct label **l);
42471088Sjasoneint	mac_syncache_init(struct label **l);
42571088Sjasone
42671088Sjasoneint	mac_system_check_acct(struct ucred *cred, struct vnode *vp);
42771088Sjasoneint	mac_system_check_audit(struct ucred *cred, void *record, int length);
42871088Sjasoneint	mac_system_check_auditctl(struct ucred *cred, struct vnode *vp);
42971088Sjasoneint	mac_system_check_auditon(struct ucred *cred, int cmd);
43071088Sjasoneint	mac_system_check_reboot(struct ucred *cred, int howto);
43171088Sjasoneint	mac_system_check_swapon(struct ucred *cred, struct vnode *vp);
43271088Sjasoneint	mac_system_check_swapoff(struct ucred *cred, struct vnode *vp);
43371088Sjasoneint	mac_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp,
43471088Sjasone	    void *arg1, int arg2, struct sysctl_req *req);
43571088Sjasone
43671088Sjasonevoid	mac_sysvmsg_cleanup(struct msg *msgptr);
43771088Sjasonevoid	mac_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr,
43871088Sjasone	    struct msg *msgptr);
43971088Sjasonevoid	mac_sysvmsg_destroy(struct msg *);
44071088Sjasonevoid	mac_sysvmsg_init(struct msg *);
44171088Sjasone
44271088Sjasoneint	mac_sysvmsq_check_msgmsq(struct ucred *cred, struct msg *msgptr,
44371088Sjasone	    struct msqid_kernel *msqkptr);
44471088Sjasoneint	mac_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr);
44571088Sjasoneint	mac_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr);
44671088Sjasoneint	mac_sysvmsq_check_msqctl(struct ucred *cred,
44771088Sjasone	    struct msqid_kernel *msqkptr, int cmd);
44871088Sjasoneint	mac_sysvmsq_check_msqget(struct ucred *cred,
44971088Sjasone	    struct msqid_kernel *msqkptr);
45071088Sjasoneint	mac_sysvmsq_check_msqrcv(struct ucred *cred,
45171088Sjasone	    struct msqid_kernel *msqkptr);
45271088Sjasoneint	mac_sysvmsq_check_msqsnd(struct ucred *cred,
45371088Sjasone	    struct msqid_kernel *msqkptr);
45471088Sjasonevoid	mac_sysvmsq_cleanup(struct msqid_kernel *msqkptr);
45571088Sjasonevoid	mac_sysvmsq_create(struct ucred *cred, struct msqid_kernel *msqkptr);
45671088Sjasonevoid	mac_sysvmsq_destroy(struct msqid_kernel *);
45771088Sjasonevoid	mac_sysvmsq_init(struct msqid_kernel *);
45871088Sjasone
45971088Sjasoneint	mac_sysvsem_check_semctl(struct ucred *cred,
46071088Sjasone	    struct semid_kernel *semakptr, int cmd);
46171088Sjasoneint	mac_sysvsem_check_semget(struct ucred *cred,
46271088Sjasone	   struct semid_kernel *semakptr);
46371088Sjasoneint	mac_sysvsem_check_semop(struct ucred *cred,
46471088Sjasone	    struct semid_kernel *semakptr, size_t accesstype);
46571088Sjasonevoid	mac_sysvsem_cleanup(struct semid_kernel *semakptr);
46671088Sjasonevoid	mac_sysvsem_create(struct ucred *cred,
46771088Sjasone	    struct semid_kernel *semakptr);
46871088Sjasonevoid	mac_sysvsem_destroy(struct semid_kernel *);
46971088Sjasonevoid	mac_sysvsem_init(struct semid_kernel *);
47071088Sjasone
47171088Sjasoneint	mac_sysvshm_check_shmat(struct ucred *cred,
47271088Sjasone	    struct shmid_kernel *shmsegptr, int shmflg);
47371088Sjasoneint	mac_sysvshm_check_shmctl(struct ucred *cred,
47471088Sjasone	    struct shmid_kernel *shmsegptr, int cmd);
47571088Sjasoneint	mac_sysvshm_check_shmdt(struct ucred *cred,
47671088Sjasone	    struct shmid_kernel *shmsegptr);
47771088Sjasoneint	mac_sysvshm_check_shmget(struct ucred *cred,
47871088Sjasone	    struct shmid_kernel *shmsegptr, int shmflg);
47971088Sjasonevoid	mac_sysvshm_cleanup(struct shmid_kernel *shmsegptr);
48071088Sjasonevoid	mac_sysvshm_create(struct ucred *cred,
48171088Sjasone	    struct shmid_kernel *shmsegptr);
48271088Sjasonevoid	mac_sysvshm_destroy(struct shmid_kernel *);
48371088Sjasonevoid	mac_sysvshm_init(struct shmid_kernel *);
48471088Sjasone
48571088Sjasonevoid	mac_thread_userret(struct thread *td);
48671088Sjasone
48771088Sjasone#if defined(MAC) && defined(DEBUG_VFS_LOCKS)
48871088Sjasonevoid	mac_vnode_assert_locked(struct vnode *vp, const char *func);
48971088Sjasone#else
49071088Sjasone#define mac_vnode_assert_locked(vp, func) do { } while (0)
49171088Sjasone#endif
49271088Sjasone
49371088Sjasoneint	mac_vnode_associate_extattr(struct mount *mp, struct vnode *vp);
49471088Sjasonevoid	mac_vnode_associate_singlelabel(struct mount *mp, struct vnode *vp);
49571088Sjasoneint	mac_vnode_check_access_impl(struct ucred *cred, struct vnode *dvp,
49671088Sjasone	    accmode_t accmode);
49771088Sjasoneextern bool mac_vnode_check_access_fp_flag;
49871088Sjasone#define mac_vnode_check_access_enabled() __predict_false(mac_vnode_check_access_fp_flag)
49971088Sjasonestatic inline int
50071088Sjasonemac_vnode_check_access(struct ucred *cred, struct vnode *dvp,
50171088Sjasone    accmode_t accmode)
50271088Sjasone{
50371088Sjasone
50471088Sjasone	mac_vnode_assert_locked(dvp, "mac_vnode_check_access");
50571088Sjasone	if (mac_vnode_check_access_enabled())
50671088Sjasone                return (mac_vnode_check_access_impl(cred, dvp, accmode));
50771088Sjasone	return (0);
50871088Sjasone}
50971088Sjasoneint	mac_vnode_check_chdir(struct ucred *cred, struct vnode *dvp);
51071088Sjasoneint	mac_vnode_check_chroot(struct ucred *cred, struct vnode *dvp);
51171088Sjasoneint	mac_vnode_check_create(struct ucred *cred, struct vnode *dvp,
51271088Sjasone	    struct componentname *cnp, struct vattr *vap);
51371088Sjasoneint	mac_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp,
51471088Sjasone	    acl_type_t type);
51571088Sjasoneint	mac_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp,
51671088Sjasone	    int attrnamespace, const char *name);
51771088Sjasoneint	mac_vnode_check_exec(struct ucred *cred, struct vnode *vp,
51871088Sjasone	    struct image_params *imgp);
51971088Sjasoneint	mac_vnode_check_getacl(struct ucred *cred, struct vnode *vp,
52071088Sjasone	    acl_type_t type);
52171088Sjasoneint	mac_vnode_check_getextattr(struct ucred *cred, struct vnode *vp,
52271088Sjasone	    int attrnamespace, const char *name);
52371088Sjasoneint	mac_vnode_check_link(struct ucred *cred, struct vnode *dvp,
52471088Sjasone	    struct vnode *vp, struct componentname *cnp);
52571088Sjasoneint	mac_vnode_check_listextattr(struct ucred *cred, struct vnode *vp,
52671088Sjasone	    int attrnamespace);
52771088Sjasone
52871088Sjasoneint	mac_vnode_check_lookup_impl(struct ucred *cred, struct vnode *dvp,
52971088Sjasone 	    struct componentname *cnp);
53071088Sjasone#ifdef MAC
53171088Sjasoneextern bool mac_vnode_check_lookup_fp_flag;
53271088Sjasone#else
53371088Sjasone#define mac_vnode_check_lookup_fp_flag false
53471088Sjasone#endif
53571088Sjasone#define mac_vnode_check_lookup_enabled() __predict_false(mac_vnode_check_lookup_fp_flag)
53671088Sjasonestatic inline int
53771088Sjasonemac_vnode_check_lookup(struct ucred *cred, struct vnode *dvp,
53871088Sjasone    struct componentname *cnp)
53971088Sjasone{
54071088Sjasone
54171088Sjasone	mac_vnode_assert_locked(dvp, "mac_vnode_check_lookup");
54271088Sjasone	if (mac_vnode_check_lookup_enabled())
54371088Sjasone                return (mac_vnode_check_lookup_impl(cred, dvp, cnp));
54471088Sjasone	return (0);
54571088Sjasone}
54671088Sjasone
54771088Sjasoneint	mac_vnode_check_mmap_impl(struct ucred *cred, struct vnode *vp, int prot,
548	    int flags);
549#ifdef MAC
550extern bool mac_vnode_check_mmap_fp_flag;
551#else
552#define mac_vnode_check_mmap_fp_flag false
553#endif
554#define mac_vnode_check_mmap_enabled() __predict_false(mac_vnode_check_mmap_fp_flag)
555static inline int
556mac_vnode_check_mmap(struct ucred *cred, struct vnode *vp, int prot,
557    int flags)
558{
559
560	mac_vnode_assert_locked(vp, "mac_vnode_check_mmap");
561	if (mac_vnode_check_mmap_enabled())
562		return (mac_vnode_check_mmap_impl(cred, vp, prot, flags));
563	return (0);
564}
565
566int	mac_vnode_check_open_impl(struct ucred *cred, struct vnode *vp,
567	    accmode_t accmode);
568#ifdef MAC
569extern bool mac_vnode_check_open_fp_flag;
570#else
571#define mac_vnode_check_open_fp_flag false
572#endif
573#define mac_vnode_check_open_enabled() __predict_false(mac_vnode_check_open_fp_flag)
574static inline int
575mac_vnode_check_open(struct ucred *cred, struct vnode *vp,
576    accmode_t accmode)
577{
578
579	mac_vnode_assert_locked(vp, "mac_vnode_check_open");
580	if (mac_vnode_check_open_enabled())
581		return (mac_vnode_check_open_impl(cred, vp, accmode));
582	return (0);
583}
584
585int	mac_vnode_check_mprotect(struct ucred *cred, struct vnode *vp,
586	    int prot);
587
588#define mac_vnode_check_poll_enabled() __predict_false(mac_vnode_check_poll_fp_flag)
589#ifdef MAC
590extern bool mac_vnode_check_poll_fp_flag;
591int	mac_vnode_check_poll(struct ucred *active_cred,
592	    struct ucred *file_cred, struct vnode *vp);
593#else
594#define mac_vnode_check_poll_fp_flag	false
595static inline int
596mac_vnode_check_poll(struct ucred *active_cred, struct ucred *file_cred,
597    struct vnode *vp)
598{
599
600	return (0);
601}
602#endif
603int	mac_vnode_check_readdir(struct ucred *cred, struct vnode *vp);
604int	mac_vnode_check_readlink_impl(struct ucred *cred, struct vnode *dvp);
605#ifdef MAC
606extern bool mac_vnode_check_readlink_fp_flag;
607#else
608#define mac_vnode_check_readlink_fp_flag false
609#endif
610#define mac_vnode_check_readlink_enabled() __predict_false(mac_vnode_check_readlink_fp_flag)
611static inline int
612mac_vnode_check_readlink(struct ucred *cred, struct vnode *vp)
613{
614
615	mac_vnode_assert_locked(vp, "mac_vnode_check_readlink");
616	if (mac_vnode_check_readlink_enabled())
617		return (mac_vnode_check_readlink_impl(cred, vp));
618	return (0);
619}
620#define mac_vnode_check_rename_from_enabled() __predict_false(mac_vnode_check_rename_from_fp_flag)
621#ifdef MAC
622extern bool mac_vnode_check_rename_from_fp_flag;
623#endif
624int	mac_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp,
625	    struct vnode *vp, struct componentname *cnp);
626int	mac_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp,
627	    struct vnode *vp, int samedir, struct componentname *cnp);
628int	mac_vnode_check_revoke(struct ucred *cred, struct vnode *vp);
629int	mac_vnode_check_setacl(struct ucred *cred, struct vnode *vp,
630	    acl_type_t type, struct acl *acl);
631int	mac_vnode_check_setextattr(struct ucred *cred, struct vnode *vp,
632	    int attrnamespace, const char *name);
633int	mac_vnode_check_setflags(struct ucred *cred, struct vnode *vp,
634	    u_long flags);
635int	mac_vnode_check_setmode(struct ucred *cred, struct vnode *vp,
636	    mode_t mode);
637int	mac_vnode_check_setowner(struct ucred *cred, struct vnode *vp,
638	    uid_t uid, gid_t gid);
639int	mac_vnode_check_setutimes(struct ucred *cred, struct vnode *vp,
640	    struct timespec atime, struct timespec mtime);
641
642int	mac_vnode_check_stat_impl(struct ucred *active_cred,
643	    struct ucred *file_cred, struct vnode *vp);
644#ifdef MAC
645extern bool mac_vnode_check_stat_fp_flag;
646#else
647#define mac_vnode_check_stat_fp_flag false
648#endif
649#define mac_vnode_check_stat_enabled()	__predict_false(mac_vnode_check_stat_fp_flag)
650static inline int
651mac_vnode_check_stat(struct ucred *active_cred, struct ucred *file_cred,
652    struct vnode *vp)
653{
654
655	mac_vnode_assert_locked(vp, "mac_vnode_check_stat");
656	if (mac_vnode_check_stat_enabled())
657		return (mac_vnode_check_stat_impl(active_cred, file_cred, vp));
658	return (0);
659}
660
661int	mac_vnode_check_read_impl(struct ucred *active_cred,
662	    struct ucred *file_cred, struct vnode *vp);
663#ifdef MAC
664extern bool mac_vnode_check_read_fp_flag;
665#else
666#define mac_vnode_check_read_fp_flag false
667#endif
668#define mac_vnode_check_read_enabled() __predict_false(mac_vnode_check_read_fp_flag)
669static inline int
670mac_vnode_check_read(struct ucred *active_cred, struct ucred *file_cred,
671    struct vnode *vp)
672{
673
674	mac_vnode_assert_locked(vp, "mac_vnode_check_read");
675	if (mac_vnode_check_read_enabled())
676		return (mac_vnode_check_read_impl(active_cred, file_cred, vp));
677	return (0);
678}
679
680int	mac_vnode_check_write_impl(struct ucred *active_cred,
681	    struct ucred *file_cred, struct vnode *vp);
682#ifdef MAC
683extern bool mac_vnode_check_write_fp_flag;
684#else
685#define mac_vnode_check_write_fp_flag false
686#endif
687#define mac_vnode_check_write_enabled() __predict_false(mac_vnode_check_write_fp_flag)
688static inline int
689mac_vnode_check_write(struct ucred *active_cred, struct ucred *file_cred,
690    struct vnode *vp)
691{
692
693	mac_vnode_assert_locked(vp, "mac_vnode_check_write");
694	if (mac_vnode_check_write_enabled())
695		return (mac_vnode_check_write_impl(active_cred, file_cred, vp));
696	return (0);
697}
698
699int	mac_vnode_check_unlink(struct ucred *cred, struct vnode *dvp,
700	    struct vnode *vp, struct componentname *cnp);
701void	mac_vnode_copy_label(struct label *, struct label *);
702void	mac_vnode_init(struct vnode *);
703int	mac_vnode_create_extattr(struct ucred *cred, struct mount *mp,
704	    struct vnode *dvp, struct vnode *vp, struct componentname *cnp);
705void	mac_vnode_destroy(struct vnode *);
706void	mac_vnode_execve_transition(struct ucred *oldcred,
707	    struct ucred *newcred, struct vnode *vp,
708	    struct label *interpvplabel, struct image_params *imgp);
709int	mac_vnode_execve_will_transition(struct ucred *cred,
710	    struct vnode *vp, struct label *interpvplabel,
711	    struct image_params *imgp);
712void	mac_vnode_relabel(struct ucred *cred, struct vnode *vp,
713	    struct label *newlabel);
714
715/*
716 * Calls to help various file systems implement labeling functionality using
717 * their existing EA implementation.
718 */
719int	vop_stdsetlabel_ea(struct vop_setlabel_args *ap);
720
721#endif /* !_SECURITY_MAC_MAC_FRAMEWORK_H_ */
722