FreeBSD/Linux Kernel Cross Reference
sys/bsd/kern/kern_xxx.c

     /*
      * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
      *
      * @APPLE_LICENSE_HEADER_START@
      * 
      * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
      * 
      * This file contains Original Code and/or Modifications of Original Code
      * as defined in and that are subject to the Apple Public Source License
     * Version 2.0 (the 'License'). You may not use this file except in
     * compliance with the License. Please obtain a copy of the License at
     * http://www.opensource.apple.com/apsl/ and read it before using this
     * file.
     * 
     * The Original Code and all software distributed under the License are
     * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
     * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
     * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
     * Please see the License for the specific language governing rights and
     * limitations under the License.
     * 
     * @APPLE_LICENSE_HEADER_END@
     */
    /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
    /*
     * Copyright (c) 1982, 1986, 1989, 1993
     *      The Regents of the University of California.  All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)kern_xxx.c  8.2 (Berkeley) 11/14/93
     */
    
    #include <cputypes.h> 
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/kernel.h>
    #include <sys/proc.h>
    #include <sys/reboot.h>
    #include <sys/vm.h>
    #include <sys/sysctl.h>
    #include <sys/buf.h>
    
    #include <sys/mount.h>
    
    #if COMPAT_43
    /* ARGSUSED */
    int
    ogethostid(p, uap, retval)
    struct proc *p;
    void *uap;
    register_t *retval;
    {
    
            *retval = hostid;
            return 0;
    }
    
    struct osethostid_args {
            long hostid;
    };
    /* ARGSUSED */
    int
    osethostid(p, uap, retval)
    struct proc *p;
    register struct osethostid_args *uap;
    register_t *retval;
    {
            int error;
    
            if (error = suser(p->p_ucred, &p->p_acflag))
                   return (error);
           hostid = uap->hostid;
           return (0);
   
   }
   
   struct ogethostname_args {
                   char    *hostname;
                   u_int   len;
   };
   /* ARGSUSED */
   int
   ogethostname(p, uap, retval)
   struct proc *p;
   register struct ogethostname_args *uap;
   register_t *retval;
   {
           int name;
   
           name = KERN_HOSTNAME;
   
           return (kern_sysctl(&name, 1, uap->hostname, &uap->len, 0, 0));
   }
   
   struct osethostname_args {
                   char    *hostname;
                   u_int   len;
   };
   /* ARGSUSED */
   int
   osethostname(p, uap, retval)
   struct proc *p;
   register struct osethostname_args *uap;
   register_t *retval;
   {
           int name;
           int error;
   
           if (error = suser(p->p_ucred, &p->p_acflag))
                   return (error);
                   
           name = KERN_HOSTNAME;
           return (kern_sysctl(&name, 1, 0, 0, uap->hostname,
               uap->len));
   }
   
   struct ogetdomainname_args {
                   char    *domainname;
                   int     len;
   };
   /* ARGSUSED */
   int
   ogetdomainname(p, uap, retval)
   struct proc *p;
   register struct ogetdomainname_args *uap;
   register_t *retval;
   {
           int name;
           
           name = KERN_DOMAINNAME;
           return (kern_sysctl(&name, 1, uap->domainname,
               &uap->len, 0, 0));
   }
   
   struct osetdomainname_args {
                   char    *domainname;
                   u_int   len;
   };
   /* ARGSUSED */
   int
   osetdomainname(p, uap, retval)
   struct proc *p;
   register struct osetdomainname_args *uap;
   register_t *retval;
   {
           int name;
           int error;
   
           if (error = suser(p->p_ucred, &p->p_acflag))
                   return (error);
           name = KERN_DOMAINNAME;
           return (kern_sysctl(&name, 1, 0, 0, uap->domainname,
               uap->len));
   }
   #endif /* COMPAT_43 */
   
   struct reboot_args {
                   int     opt;
                   char    *command;
   };
   
   reboot(p, uap, retval)
   struct proc *p;
   register struct reboot_args *uap;
   register_t *retval;
   {
           char command[64];
           int error;
           int dummy=0;
   
           command[0] = '\0';
   
           if (error = suser(p->p_cred->pc_ucred, &p->p_acflag))
                   return(error);  
           
           if (uap->opt & RB_COMMAND)
                   error = copyinstr((void *)uap->command,
                                           (void *)command, sizeof(command), (size_t *)&dummy);
           if (!error) {
                   SET(p->p_flag, P_REBOOT);       /* No more signals for this proc */
                   boot(RB_BOOT, uap->opt, command);
           }
           return(error);
   }
   

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