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secmodel_bsd44.c revision 1.1 
      1 /* $NetBSD: secmodel_bsd44.c,v 1.1 2006/09/08 20:58:57 elad 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. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *      This product includes software developed by Elad Efrat.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     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_CREATE, CTL_EOL);
     54 
     55 	sysctl_createv(clog, 0, &rnode, &rnode,
     56 		       CTLFLAG_PERMANENT,
     57 		       CTLTYPE_NODE, "models", NULL,
     58 		       NULL, 0, NULL, 0,
     59 		       CTL_CREATE, CTL_EOL);
     60 
     61 	sysctl_createv(clog, 0, &rnode, &rnode,
     62 		       CTLFLAG_PERMANENT,
     63 		       CTLTYPE_NODE, "bsd44",
     64 		       SYSCTL_DESCR("Traditional NetBSD Security model, " \
     65 			   "derived from 4.4BSD"),
     66 		       NULL, 0, NULL, 0,
     67 		       CTL_CREATE, CTL_EOL);
     68 
     69 	sysctl_createv(clog, 0, &rnode, NULL,
     70 		       CTLFLAG_PERMANENT,
     71 		       CTLTYPE_STRING, "name", NULL,
     72 		       NULL, 0, __UNCONST("Traditional NetBSD (4.4BSD)"), 0,
     73 		       CTL_CREATE, CTL_EOL);
     74 
     75 	sysctl_createv(clog, 0, &rnode, NULL,
     76 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
     77 		       CTLTYPE_INT, "securelevel",
     78 		       SYSCTL_DESCR("System security level"),
     79 		       secmodel_bsd44_sysctl_securelevel, 0, &securelevel, 0,
     80 		       CTL_CREATE, CTL_EOL);
     81 
     82 	sysctl_createv(clog, 0, &rnode, NULL,
     83 		       CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
     84 		       CTLTYPE_INT, "curtain",
     85 		       SYSCTL_DESCR("Curtain information about objects to "
     86 				    "users not owning them."),
     87 		       NULL, 0, &secmodel_bsd44_curtain, 0,
     88 		       CTL_CREATE, CTL_EOL);
     89 }
     90 
     91 /*
     92  * Start the traditional NetBSD security model.
     93  */
     94 void
     95 secmodel_start(void)
     96 {
     97 	secmodel_bsd44_init();
     98 
     99 	secmodel_bsd44_suser_start();
    100 	secmodel_bsd44_securelevel_start();
    101 }
    102