sys/secmodel/bsd44/secmodel_bsd44.c

   1 /* $NetBSD: secmodel_bsd44.c,v 1.12 2009/05/03 21:25:44 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 1.12 2009/05/03 21:25:44 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 #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
  45 MODULE(MODULE_CLASS_SECMODEL, secmodel_bsd44, "suser,securelevel");
  46
  47 static struct sysctllog *sysctl_bsd44_log;
  48
  49 void
  50 sysctl_security_bsd44_setup(struct sysctllog **clog)
  51 {
  52         const struct sysctlnode *rnode;
  53
  54         sysctl_createv(clog, 0, NULL, &rnode,
  55                        CTLFLAG_PERMANENT,
  56                        CTLTYPE_NODE, "security", NULL,
  57                        NULL, 0, NULL, 0,
  58                        CTL_SECURITY, CTL_EOL);
  59
  60         sysctl_createv(clog, 0, &rnode, &rnode,
  61                        CTLFLAG_PERMANENT,
  62                        CTLTYPE_NODE, "models", NULL,
  63                        NULL, 0, NULL, 0,
  64                        CTL_CREATE, CTL_EOL);
  65
  66         sysctl_createv(clog, 0, &rnode, &rnode,
  67                        CTLFLAG_PERMANENT,
  68                        CTLTYPE_NODE, "bsd44", NULL,
  69                        NULL, 0, NULL, 0,
  70                        CTL_CREATE, CTL_EOL);
  71
  72         sysctl_createv(clog, 0, &rnode, NULL,
  73                        CTLFLAG_PERMANENT,
  74                        CTLTYPE_STRING, "name", NULL,
  75                        NULL, 0, __UNCONST("Traditional NetBSD (derived from 4.4BSD)"), 0,
  76                        CTL_CREATE, CTL_EOL);
  77 }
  78
  79 void
  80 secmodel_bsd44_init(void)
  81 {
  82         secmodel_suser_init();
  83         secmodel_securelevel_init();
  84 }
  85
  86 void
  87 secmodel_bsd44_start(void)
  88 {
  89         secmodel_suser_start();
  90         secmodel_securelevel_start();
  91
  92         /* secmodel_register(); */
  93 }
  94
  95 void
  96 secmodel_bsd44_stop(void)
  97 {
  98         secmodel_suser_stop();
  99         secmodel_securelevel_stop();
 100
 101         /* secmodel_deregister(); */
 102 }
 103
 104 static int
 105 secmodel_bsd44_modcmd(modcmd_t cmd, void *arg)
 106 {
 107         int error = 0;
 108
 109         switch (cmd) {
 110         case MODULE_CMD_INIT:
 111                 secmodel_bsd44_init();
 112                 secmodel_bsd44_start();
 113                 sysctl_security_bsd44_setup(&sysctl_bsd44_log);
 114                 break;
 115
 116         case MODULE_CMD_FINI:
 117                 sysctl_teardown(&sysctl_bsd44_log);
 118                 secmodel_bsd44_stop();
 119                 break;
 120
 121         default:
 122                 error = ENOTTY;
 123                 break;
 124         }
 125
 126         return error;
 127 }
 128