xref: /illumos-gate/usr/src/uts/common/sys/policy.h (revision 70561057)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
23  * Copyright 2015, Joyent, Inc. All rights reserved.
24  * Copyright 2023 RackTop Systems, Inc.
25  */
26 
27 #ifndef	_SYS_POLICY_H
28 #define	_SYS_POLICY_H
29 
30 #include <sys/types.h>
31 #include <sys/cred.h>
32 #include <sys/vnode.h>
33 #include <sys/fs/snode.h>
34 
35 #ifdef	__cplusplus
36 extern "C" {
37 #endif
38 
39 #ifdef _KERNEL
40 
41 #ifndef _IN_PORT_T
42 #define	_IN_PORT_T
43 typedef uint16_t in_port_t;
44 #endif
45 
46 /*
47  * Policy routines; in case we check privileges in-line.
48  *
49  * priv_policy
50  *		privilege debugging
51  *		audits success & failure
52  *		returns 0 on success, error on failure
53  *
54  * priv_policy_choice
55  *		determines extend of operation
56  *		audit on success
57  *		returns a boolean_t indicating success (B_TRUE) or failure.
58  *
59  * priv_policy_only
60  *		when auditing is in appropriate (interrupt context)
61  *		to determine context of operation
62  *		returns a boolean_t indicating success (B_TRUE) or failure.
63  *
64  */
65 int priv_policy(const cred_t *, int, boolean_t, int, const char *);
66 boolean_t priv_policy_only(const cred_t *, int, boolean_t);
67 boolean_t priv_policy_choice(const cred_t *, int, boolean_t);
68 
69 struct kipc_perm;
70 struct vfs;
71 struct proc;
72 struct priv_set;
73 
74 int secpolicy_acct(const cred_t *);
75 int secpolicy_require_privs(const cred_t *, const struct priv_set *);
76 int secpolicy_allow_setid(const cred_t *, uid_t, boolean_t);
77 int secpolicy_audit_config(const cred_t *);
78 int secpolicy_audit_getattr(const cred_t *, boolean_t);
79 int secpolicy_audit_modify(const cred_t *);
80 int secpolicy_blacklist(const cred_t *);
81 int secpolicy_chroot(const cred_t *);
82 int secpolicy_clock_highres(const cred_t *);
83 int secpolicy_console(const cred_t *);
84 int secpolicy_contract_identity(const cred_t *);
85 int secpolicy_contract_observer(const cred_t *, struct contract *);
86 boolean_t secpolicy_contract_observer_choice(const cred_t *);
87 int secpolicy_contract_event(const cred_t *);
88 boolean_t secpolicy_contract_event_choice(const cred_t *);
89 int secpolicy_coreadm(const cred_t *);
90 int secpolicy_cpc_cpu(const cred_t *);
91 int secpolicy_dispadm(const cred_t *);
92 int secpolicy_error_inject(const cred_t *);
93 int secpolicy_excl_open(const cred_t *);
94 int secpolicy_fs_allowed_mount(const char *);
95 int secpolicy_fs_config(const cred_t *, const struct vfs *);
96 int secpolicy_fs_linkdir(const cred_t *, const struct vfs *);
97 int secpolicy_fs_minfree(const cred_t *, const struct vfs *);
98 int secpolicy_fs_mount(cred_t *, vnode_t *, struct vfs *);
99 int secpolicy_fs_quota(const cred_t *, const struct vfs *);
100 int secpolicy_fs_unmount(cred_t *, struct vfs *);
101 int secpolicy_idmap(const cred_t *);
102 int secpolicy_ip(const cred_t *, int, boolean_t);
103 int secpolicy_ip_config(const cred_t *, boolean_t);
104 int secpolicy_dl_config(const cred_t *);
105 int secpolicy_iptun_config(const cred_t *);
106 int secpolicy_ipc_access(const cred_t *, const struct kipc_perm *, mode_t);
107 int secpolicy_ipc_config(const cred_t *);
108 int secpolicy_ipc_owner(const cred_t *, const struct kipc_perm *);
109 int secpolicy_kmdb(const cred_t *);
110 int secpolicy_lock_memory(const cred_t *);
111 int secpolicy_meminfo(const cred_t *);
112 int secpolicy_modctl(const cred_t *, int);
113 int secpolicy_net(const cred_t *, int, boolean_t);
114 int secpolicy_net_bindmlp(const cred_t *);
115 int secpolicy_net_config(const cred_t *, boolean_t);
116 int secpolicy_net_icmpaccess(const cred_t *);
117 int secpolicy_net_mac_aware(const cred_t *);
118 int secpolicy_net_mac_implicit(const cred_t *);
119 int secpolicy_net_observability(const cred_t *);
120 int secpolicy_net_privaddr(const cred_t *, in_port_t, int proto);
121 int secpolicy_net_rawaccess(const cred_t *);
122 boolean_t secpolicy_net_reply_equal(const cred_t *);
123 int secpolicy_newproc(const cred_t *);
124 int secpolicy_nfs(const cred_t *);
125 int secpolicy_pbind(const cred_t *);
126 int secpolicy_pcfs_modify_bootpartition(const cred_t *);
127 int secpolicy_pfexec_register(const cred_t *);
128 int secpolicy_ponline(const cred_t *);
129 int secpolicy_pool(const cred_t *);
130 int secpolicy_power_mgmt(const cred_t *);
131 int secpolicy_ppp_config(const cred_t *);
132 int secpolicy_proc_access(const cred_t *);
133 int secpolicy_proc_excl_open(const cred_t *);
134 int secpolicy_proc_owner(const cred_t *, const cred_t *, int);
135 int secpolicy_proc_zone(const cred_t *);
136 int secpolicy_psecflags(const cred_t *, struct proc *, struct proc *);
137 int secpolicy_pset(const cred_t *);
138 int secpolicy_rctlsys(const cred_t *, boolean_t);
139 int secpolicy_resource(const cred_t *);
140 int secpolicy_resource_anon_mem(const cred_t *);
141 int secpolicy_rpcmod_open(const cred_t *);
142 int secpolicy_rsm_access(const cred_t *, uid_t, mode_t);
143 int secpolicy_raisepriority(const cred_t *);
144 int secpolicy_setpriority(const cred_t *);
145 int secpolicy_settime(const cred_t *);
146 int secpolicy_smb(const cred_t *);
147 int secpolicy_smbfs_login(const cred_t *, uid_t);
148 int secpolicy_spec_open(const cred_t *, struct vnode *, int);
149 int secpolicy_sti(const cred_t *);
150 int secpolicy_swapctl(const cred_t *);
151 int secpolicy_sys_config(const cred_t *, boolean_t);
152 int secpolicy_zone_admin(const cred_t *, boolean_t);
153 int secpolicy_zone_config(const cred_t *);
154 int secpolicy_sys_devices(const cred_t *);
155 int secpolicy_systeminfo(const cred_t *);
156 int secpolicy_tasksys(const cred_t *);
157 int secpolicy_vnode_access(const cred_t *, vnode_t *, uid_t, mode_t);
158 int secpolicy_vnode_access2(const cred_t *, vnode_t *, uid_t, mode_t, mode_t);
159 int secpolicy_vnode_any_access(const cred_t *, vnode_t *, uid_t);
160 int secpolicy_vnode_chown(const cred_t *, uid_t);
161 int secpolicy_vnode_create_gid(const cred_t *);
162 int secpolicy_vnode_owner(const cred_t *, uid_t);
163 int secpolicy_vnode_remove(const cred_t *);
164 int secpolicy_vnode_setdac(const cred_t *, uid_t);
165 int secpolicy_vnode_setdac3(const cred_t *, uid_t, boolean_t);
166 int secpolicy_vnode_setid_retain(const cred_t *, boolean_t);
167 int secpolicy_vnode_setids_setgids(const cred_t *, gid_t);
168 int secpolicy_vnode_stky_modify(const cred_t *);
169 int secpolicy_vscan(const cred_t *);
170 int secpolicy_hwmanip(const cred_t *);
171 int secpolicy_zinject(const cred_t *);
172 int secpolicy_zfs(const cred_t *);
173 int secpolicy_ucode_update(const cred_t *);
174 int secpolicy_sadopen(const cred_t *);
175 void secpolicy_setid_clear(vattr_t *, cred_t *);
176 void secpolicy_fs_mount_clearopts(cred_t *, struct vfs *);
177 int secpolicy_setid_setsticky_clear(vnode_t *, vattr_t *,
178     const vattr_t *, cred_t *);
179 int secpolicy_xvattr(xvattr_t *, uid_t, cred_t *, vtype_t);
180 int secpolicy_xvm_control(const cred_t *);
181 
182 int secpolicy_basic_exec(const cred_t *, vnode_t *);
183 int secpolicy_basic_fork(const cred_t *);
184 int secpolicy_basic_link(const cred_t *);
185 int secpolicy_basic_file_read(const cred_t *, vnode_t *, const char *);
186 int secpolicy_basic_file_write(const cred_t *, vnode_t *, const char *);
187 int secpolicy_basic_net_access(const cred_t *);
188 int secpolicy_basic_proc(const cred_t *);
189 int secpolicy_basic_procinfo(const cred_t *, struct proc *, struct proc *);
190 
191 int secpolicy_gart_access(const cred_t *);
192 int secpolicy_gart_map(const cred_t *);
193 /*
194  * This function to be called from xxfs_setattr().
195  * Must be called with the node's attributes read-write locked.
196  *
197  *		cred_t *		- acting credentials
198  *		struct vnode *		- vnode we're operating on
199  *		struct vattr *va	- new attributes, va_mask may be
200  *					  changed on return from a call
201  *		struct vattr *oldva	- old attributes, need include owner
202  *					  and mode only
203  *		int flags		- setattr flags
204  *		int iaccess(void *node, int mode, cred_t *cr)
205  *					- non-locking internal access function
206  *						mode be checked
207  *						w/ VREAD|VWRITE|VEXEC, not fs
208  *						internal mode encoding.
209  *
210  *		void *node		- internal node (inode, tmpnode) to
211  *					  pass as arg to iaccess
212  */
213 int secpolicy_vnode_setattr(cred_t *, struct vnode *, struct vattr *,
214     const struct vattr *, int, int (void *, int, cred_t *), void *);
215 
216 /*
217  * Test privilege. Audit success or failure, allow privilege debugging.
218  * Returns 0 for success, err for failure.
219  */
220 #define	PRIV_POLICY(cred, priv, all, err, reason) \
221 		priv_policy((cred), (priv), (all), (err), (reason))
222 
223 /*
224  * Test privilege. Audit success only, no privilege debugging.
225  * Returns 1 for success, and 0 for failure.
226  */
227 #define	PRIV_POLICY_CHOICE(cred, priv, all) \
228 		priv_policy_choice((cred), (priv), (all))
229 
230 /*
231  * Test privilege. No priv_debugging, no auditing.
232  * Returns 1 for success, and 0 for failure.
233  */
234 
235 #define	PRIV_POLICY_ONLY(cred, priv, all) \
236 		priv_policy_only((cred), (priv), (all))
237 
238 
239 #endif
240 
241 #ifdef	__cplusplus
242 }
243 #endif
244 
245 #endif	/* _SYS_POLICY_H */
246