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secmodel_bsd44.c revision 1.4.2.3 
      1 /* $NetBSD: secmodel_bsd44.c,v 1.4.2.3 2007/01/12 01:04:22 ad Exp $ */
      2 /*-
      3  * Copyright (c) 2006 Elad Efrat <elad (at) 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 1.4.2.3 2007/01/12 01:04:22 ad 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/bsd44/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_bsd44_sysctl_securelevel, 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 #if !defined(_LKM)
     98 /*
     99  * Start the traditional NetBSD security model.
    100  */
    101 void
    102 secmodel_start(void)
    103 {
    104 	secmodel_bsd44_init();
    105 
    106 	secmodel_bsd44_suser_start();
    107 	secmodel_bsd44_securelevel_start();
    108 }
    109 #endif /* !_LKM */
    110