xref: /netbsd-src/sys/secmodel/bsd44/secmodel_bsd44.c (revision 9120d4511b151fba58c7db8d56cfcf3560b22850)
1 /* $NetBSD: secmodel_bsd44.c,v 1.17 2020/03/16 21:20:12 pgoyette Exp $ */
2 /*-
3  * Copyright (c) 2006 Elad Efrat <elad@NetBSD.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: secmodel_bsd44.c,v 1.17 2020/03/16 21:20:12 pgoyette Exp $");
31 
32 #include <sys/types.h>
33 #include <sys/param.h>
34 #include <sys/kauth.h>
35 
36 #include <sys/sysctl.h>
37 #include <sys/mount.h>
38 
39 #include <sys/module.h>
40 
41 #include <secmodel/bsd44/bsd44.h>
42 #include <secmodel/suser/suser.h>
43 #include <secmodel/securelevel/securelevel.h>
44 #include <secmodel/extensions/extensions.h>
45 
46 MODULE(MODULE_CLASS_SECMODEL, secmodel_bsd44, "suser,securelevel,extensions");
47 
48 static secmodel_t bsd44_sm;
49 
50 SYSCTL_SETUP(sysctl_security_bsd44_setup, "secmodel_bsd44 sysctl")
51 {
52 	const struct sysctlnode *rnode;
53 
54 	sysctl_createv(clog, 0, NULL, &rnode,
55 		       CTLFLAG_PERMANENT,
56 		       CTLTYPE_NODE, "models", NULL,
57 		       NULL, 0, NULL, 0,
58 		       CTL_SECURITY, CTL_CREATE, CTL_EOL);
59 
60 	sysctl_createv(clog, 0, &rnode, &rnode,
61 		       CTLFLAG_PERMANENT,
62 		       CTLTYPE_NODE, "bsd44", NULL,
63 		       NULL, 0, NULL, 0,
64 		       CTL_CREATE, CTL_EOL);
65 
66 	sysctl_createv(clog, 0, &rnode, NULL,
67 		       CTLFLAG_PERMANENT,
68 		       CTLTYPE_STRING, "name", NULL,
69 		       NULL, 0,
70 		       __UNCONST(SECMODEL_BSD44_NAME), 0,
71 		       CTL_CREATE, CTL_EOL);
72 }
73 
74 void
secmodel_bsd44_init(void)75 secmodel_bsd44_init(void)
76 {
77 
78 }
79 
80 void
secmodel_bsd44_start(void)81 secmodel_bsd44_start(void)
82 {
83 
84 }
85 
86 void
secmodel_bsd44_stop(void)87 secmodel_bsd44_stop(void)
88 {
89 
90 }
91 
92 static int
secmodel_bsd44_modcmd(modcmd_t cmd,void * arg)93 secmodel_bsd44_modcmd(modcmd_t cmd, void *arg)
94 {
95 	int error = 0;
96 
97 	switch (cmd) {
98 	case MODULE_CMD_INIT:
99 
100 		error = secmodel_register(&bsd44_sm,
101 		    SECMODEL_BSD44_ID, SECMODEL_BSD44_NAME,
102 		    NULL, NULL, NULL);
103 		if (error != 0)
104 			printf("secmodel_bsd44_modcmd::init: "
105 			    "secmodel_register returned %d\n", error);
106 
107 		secmodel_bsd44_init();
108 		secmodel_bsd44_start();
109 		break;
110 
111 	case MODULE_CMD_FINI:
112 		secmodel_bsd44_stop();
113 
114 		error = secmodel_deregister(bsd44_sm);
115 		if (error != 0)
116 			printf("secmodel_bsd44_modcmd::fini: "
117 			    "secmodel_deregister returned %d\n", error);
118 		break;
119 
120 	default:
121 		error = ENOTTY;
122 		break;
123 	}
124 
125 	return error;
126 }
127 
128