Annotation of kernel/bsd/kern/kern_xxx.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
                     26: /*
                     27:  * Copyright (c) 1982, 1986, 1989, 1993
                     28:  *     The Regents of the University of California.  All rights reserved.
                     29:  *
                     30:  * Redistribution and use in source and binary forms, with or without
                     31:  * modification, are permitted provided that the following conditions
                     32:  * are met:
                     33:  * 1. Redistributions of source code must retain the above copyright
                     34:  *    notice, this list of conditions and the following disclaimer.
                     35:  * 2. Redistributions in binary form must reproduce the above copyright
                     36:  *    notice, this list of conditions and the following disclaimer in the
                     37:  *    documentation and/or other materials provided with the distribution.
                     38:  * 3. All advertising materials mentioning features or use of this software
                     39:  *    must display the following acknowledgement:
                     40:  *     This product includes software developed by the University of
                     41:  *     California, Berkeley and its contributors.
                     42:  * 4. Neither the name of the University nor the names of its contributors
                     43:  *    may be used to endorse or promote products derived from this software
                     44:  *    without specific prior written permission.
                     45:  *
                     46:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     47:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     48:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     49:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     50:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     51:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     52:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     53:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     54:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     55:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     56:  * SUCH DAMAGE.
                     57:  *
                     58:  *     @(#)kern_xxx.c  8.2 (Berkeley) 11/14/93
                     59:  */
                     60: 
                     61: #import <cputypes.h> 
                     62: 
                     63: #include <sys/param.h>
                     64: #include <sys/systm.h>
                     65: #include <sys/kernel.h>
                     66: #include <sys/proc.h>
                     67: #include <sys/reboot.h>
                     68: #include <sys/vm.h>
                     69: #include <sys/sysctl.h>
                     70: 
                     71: #include <sys/mount.h>
                     72: 
                     73: #if COMPAT_43
                     74: /* ARGSUSED */
                     75: int
                     76: ogethostid(p, uap, retval)
                     77: struct proc *p;
                     78: void *uap;
                     79: register_t *retval;
                     80: {
                     81: 
                     82:        *retval = hostid;
                     83:        return 0;
                     84: }
                     85: 
                     86: struct osethostid_args {
                     87:        long hostid;
                     88: };
                     89: /* ARGSUSED */
                     90: int
                     91: osethostid(p, uap, retval)
                     92: struct proc *p;
                     93: register struct osethostid_args *uap;
                     94: register_t *retval;
                     95: {
                     96:        int error;
                     97: 
                     98:        if (error = suser(p->p_ucred, &p->p_acflag))
                     99:                return (error);
                    100:        hostid = uap->hostid;
                    101:        return (0);
                    102: 
                    103: }
                    104: 
                    105: struct ogethostname_args {
                    106:                char    *hostname;
                    107:                u_int   len;
                    108: };
                    109: /* ARGSUSED */
                    110: int
                    111: ogethostname(p, uap, retval)
                    112: struct proc *p;
                    113: register struct ogethostname_args *uap;
                    114: register_t *retval;
                    115: {
                    116:        int name;
                    117: 
                    118:        name = KERN_HOSTNAME;
                    119: 
                    120:        return (kern_sysctl(&name, 1, uap->hostname, &uap->len),
                    121:            0, 0);
                    122: }
                    123: 
                    124: struct osethostname_args {
                    125:                char    *hostname;
                    126:                u_int   len;
                    127: };
                    128: /* ARGSUSED */
                    129: int
                    130: osethostname(p, uap, retval)
                    131: struct proc *p;
                    132: register struct osethostname_args *uap;
                    133: register_t *retval;
                    134: {
                    135:        int name;
                    136:        int error;
                    137: 
                    138:        if (error = suser(p->p_ucred, &p->p_acflag))
                    139:                return (error);
                    140:                
                    141:        name = KERN_HOSTNAME;
                    142:        return (kern_sysctl(&name, 1, 0, 0, uap->hostname,
                    143:            uap->len));
                    144: }
                    145: 
                    146: struct ogetdomainname_args {
                    147:                char    *domainname;
                    148:                int     len;
                    149: };
                    150: /* ARGSUSED */
                    151: int
                    152: ogetdomainname(p, uap, retval)
                    153: struct proc *p;
                    154: register struct ogetdomainname_args *uap;
                    155: register_t *retval;
                    156: {
                    157:        int name;
                    158:        
                    159:        name = KERN_DOMAINNAME;
                    160:        return (kern_sysctl(&name, 1, uap->domainname,
                    161:            &uap->len, 0, 0));
                    162: }
                    163: 
                    164: struct osetdomainname_args {
                    165:                char    *domainname;
                    166:                u_int   len;
                    167: };
                    168: /* ARGSUSED */
                    169: int
                    170: osetdomainname(p, uap, retval)
                    171: struct proc *p;
                    172: register struct osetdomainname_args *uap;
                    173: register_t *retval;
                    174: {
                    175:        int name;
                    176:        int error;
                    177: 
                    178:        if (error = suser(p->p_ucred, &p->p_acflag))
                    179:                return (error);
                    180:        name = KERN_DOMAINNAME;
                    181:        return (kern_sysctl(&name, 1, 0, 0, uap->domainname,
                    182:            uap->len));
                    183: }
                    184: #endif /* COMPAT_43 */
                    185: 
                    186: struct reboot_args {
                    187:                int     opt;
                    188:                char    *command;
                    189: };
                    190: 
                    191: reboot(p, uap, retval)
                    192: struct proc *p;
                    193: register struct reboot_args *uap;
                    194: register_t *retval;
                    195: {
                    196:        char command[64];
                    197:        int error;
                    198: 
                    199:        command[0] = '\0';
                    200: 
                    201:        if (error = suser(p->p_cred->pc_ucred, &p->p_acflag))
                    202:                return(error);  
                    203:        
                    204:        if (uap->opt & RB_COMMAND)
                    205:                error = copyinstr(uap->command,
                    206:                                        command, sizeof(command), 0);
                    207:        if (!error)
                    208:                boot(RB_BOOT, uap->opt, command);
                    209:        return(error);
                    210: }
                    211: 

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