1 /* $NetBSD: secmodel_bsd44.c,v 1.11 2007/11/21 22:49:07 elad 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 1.11 2007/11/21 22:49:07 elad Exp $"); 31 32 #include <sys/types.h> 33 #include <sys/param.h> 34 #include <sys/kauth.h> 35 36 #include <sys/sysctl.h> 37 38 #include <secmodel/secmodel.h> 39 40 #include <secmodel/bsd44/bsd44.h> 41 #include <secmodel/bsd44/suser.h> 42 #include <secmodel/securelevel/securelevel.h> 43 44 SYSCTL_SETUP(sysctl_security_bsd44_setup, 45 "sysctl security bsd44 setup") 46 { 47 const struct sysctlnode *rnode; 48 49 sysctl_createv(clog, 0, NULL, &rnode, 50 CTLFLAG_PERMANENT, 51 CTLTYPE_NODE, "security", NULL, 52 NULL, 0, NULL, 0, 53 CTL_SECURITY, CTL_EOL); 54 55 sysctl_createv(clog, 0, &rnode, NULL, 56 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 57 CTLTYPE_INT, "curtain", NULL, 58 NULL, 0, &secmodel_bsd44_curtain, 0, 59 CTL_CREATE, CTL_EOL); 60 61 sysctl_createv(clog, 0, &rnode, &rnode, 62 CTLFLAG_PERMANENT, 63 CTLTYPE_NODE, "models", NULL, 64 NULL, 0, NULL, 0, 65 CTL_CREATE, CTL_EOL); 66 67 sysctl_createv(clog, 0, &rnode, &rnode, 68 CTLFLAG_PERMANENT, 69 CTLTYPE_NODE, "bsd44", 70 SYSCTL_DESCR("Traditional NetBSD Security model, " \ 71 "derived from 4.4BSD"), 72 NULL, 0, NULL, 0, 73 CTL_CREATE, CTL_EOL); 74 75 sysctl_createv(clog, 0, &rnode, NULL, 76 CTLFLAG_PERMANENT, 77 CTLTYPE_STRING, "name", NULL, 78 NULL, 0, __UNCONST("Traditional NetBSD (4.4BSD)"), 0, 79 CTL_CREATE, CTL_EOL); 80 81 sysctl_createv(clog, 0, &rnode, NULL, 82 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 83 CTLTYPE_INT, "securelevel", 84 SYSCTL_DESCR("System security level"), 85 secmodel_securelevel_sysctl, 0, NULL, 0, 86 CTL_CREATE, CTL_EOL); 87 88 sysctl_createv(clog, 0, &rnode, NULL, 89 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, 90 CTLTYPE_INT, "curtain", 91 SYSCTL_DESCR("Curtain information about objects to " 92 "users not owning them."), 93 NULL, 0, &secmodel_bsd44_curtain, 0, 94 CTL_CREATE, CTL_EOL); 95 } 96 97 void 98 secmodel_bsd44_start(void) 99 { 100 secmodel_bsd44_init(); 101 102 secmodel_bsd44_suser_start(); 103 secmodel_securelevel_start(); 104 105 secmodel_register(); 106 } 107 108 #if defined(_LKM) 109 void 110 secmodel_bsd44_stop(void) 111 { 112 secmodel_bsd44_suser_stop(); 113 secmodel_securelevel_stop(); 114 115 secmodel_deregister(); 116 } 117 #endif /* _LKM */ 118 119 #if !defined(_LKM) 120 void 121 secmodel_start(void) 122 { 123 secmodel_bsd44_start(); 124 } 125 #endif /* !_LKM */ 126 127 128