1 /* 2 * Copyright (c) 1982, 1986, 1989 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 * 17 * @(#)kern_xxx.c 7.11 (Berkeley) 05/15/90 18 */ 19 20 #include "param.h" 21 #include "systm.h" 22 #include "syscontext.h" 23 #include "kernel.h" 24 #include "proc.h" 25 #include "reboot.h" 26 27 gethostid() 28 { 29 30 u.u_r.r_val1 = hostid; 31 RETURN (0); 32 } 33 34 sethostid() 35 { 36 struct a { 37 long hostid; 38 } *uap = (struct a *)u.u_ap; 39 int error; 40 41 if (error = suser(u.u_cred, &u.u_acflag)) 42 RETURN (error); 43 hostid = uap->hostid; 44 RETURN (0); 45 } 46 47 gethostname() 48 { 49 register struct a { 50 char *hostname; 51 u_int len; 52 } *uap = (struct a *)u.u_ap; 53 54 if (uap->len > hostnamelen + 1) 55 uap->len = hostnamelen + 1; 56 RETURN (copyout((caddr_t)hostname, (caddr_t)uap->hostname, uap->len)); 57 } 58 59 sethostname() 60 { 61 register struct a { 62 char *hostname; 63 u_int len; 64 } *uap = (struct a *)u.u_ap; 65 int error; 66 67 if (error = suser(u.u_cred, &u.u_acflag)) 68 RETURN (error); 69 if (uap->len > sizeof (hostname) - 1) 70 RETURN (EINVAL); 71 hostnamelen = uap->len; 72 error = copyin((caddr_t)uap->hostname, hostname, uap->len); 73 hostname[hostnamelen] = 0; 74 RETURN (error); 75 } 76 77 reboot() 78 { 79 struct a { 80 int opt; 81 }; 82 int error; 83 84 if (error = suser(u.u_cred, &u.u_acflag)) 85 RETURN (error); 86 boot(((struct a *)u.u_ap)->opt); 87 RETURN (0); 88 } 89 90 ovhangup() 91 { 92 93 RETURN (EINVAL); 94 } 95 96 oldquota() 97 { 98 99 RETURN (EINVAL); 100 } 101