1 /* $NetBSD: kern_info_09.c,v 1.21 2019/01/27 02:08:39 pgoyette Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1986, 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)subr_xxx.c 8.1 (Berkeley) 6/10/93 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: kern_info_09.c,v 1.21 2019/01/27 02:08:39 pgoyette Exp $"); 36 37 #if defined(_KERNEL_OPT) 38 #include "opt_compat_netbsd.h" 39 #endif 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/filedesc.h> 44 #include <sys/kernel.h> 45 #include <sys/proc.h> 46 #include <sys/syslog.h> 47 #include <sys/unistd.h> 48 #include <uvm/uvm_extern.h> 49 #include <sys/sysctl.h> 50 51 #include <sys/mount.h> 52 #include <sys/syscall.h> 53 #include <sys/syscallvar.h> 54 #include <sys/syscallargs.h> 55 56 #include <compat/common/compat_mod.h> 57 58 static struct syscall_package kern_info_09_syscalls[] = { 59 { SYS_compat_09_ogetdomainname, 0, 60 (sy_call_t *)compat_09_sys_getdomainname }, 61 { SYS_compat_09_osetdomainname, 0, 62 (sy_call_t *)compat_09_sys_setdomainname }, 63 { SYS_compat_09_ouname, 0, (sy_call_t *)compat_09_sys_uname }, 64 { 0, 0, NULL } 65 }; 66 67 /* ARGSUSED */ 68 int 69 compat_09_sys_getdomainname(struct lwp *l, 70 const struct compat_09_sys_getdomainname_args *uap, register_t *retval) 71 { 72 /* { 73 syscallarg(char *) domainname; 74 syscallarg(int) len; 75 } */ 76 int name[2]; 77 size_t sz; 78 79 name[0] = CTL_KERN; 80 name[1] = KERN_DOMAINNAME; 81 sz = SCARG(uap,len); 82 return (old_sysctl(&name[0], 2, SCARG(uap, domainname), &sz, 0, 0, l)); 83 } 84 85 86 /* ARGSUSED */ 87 int 88 compat_09_sys_setdomainname(struct lwp *l, 89 const struct compat_09_sys_setdomainname_args *uap, register_t *retval) 90 { 91 /* { 92 syscallarg(char *) domainname; 93 syscallarg(int) len; 94 } */ 95 int name[2]; 96 97 name[0] = CTL_KERN; 98 name[1] = KERN_DOMAINNAME; 99 return (old_sysctl(&name[0], 2, 0, 0, SCARG(uap, domainname), 100 SCARG(uap, len), l)); 101 } 102 103 struct outsname { 104 char sysname[32]; 105 char nodename[32]; 106 char release[32]; 107 char version[32]; 108 char machine[32]; 109 }; 110 111 /* ARGSUSED */ 112 int 113 compat_09_sys_uname(struct lwp *l, 114 const struct compat_09_sys_uname_args *uap, register_t *retval) 115 { 116 /* { 117 syscallarg(struct outsname *) name; 118 } */ 119 struct outsname outsname; 120 const char *cp; 121 char *dp, *ep; 122 123 strncpy(outsname.sysname, ostype, sizeof(outsname.sysname)); 124 strncpy(outsname.nodename, hostname, sizeof(outsname.nodename)); 125 strncpy(outsname.release, osrelease, sizeof(outsname.release)); 126 dp = outsname.version; 127 ep = &outsname.version[sizeof(outsname.version) - 1]; 128 for (cp = version; *cp && *cp != '('; cp++) 129 ; 130 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 131 *dp++ = *cp; 132 for (; *cp && *cp != '#'; cp++) 133 ; 134 for (; *cp && *cp != ':' && dp < ep; cp++) 135 *dp++ = *cp; 136 *dp = '\0'; 137 strncpy(outsname.machine, MACHINE, sizeof(outsname.machine)); 138 return (copyout((void *)&outsname, (void *)SCARG(uap, name), 139 sizeof(struct outsname))); 140 } 141 142 int 143 kern_info_09_init(void) 144 { 145 146 return syscall_establish(NULL, kern_info_09_syscalls); 147 } 148 149 int 150 kern_info_09_fini(void) 151 { 152 153 return syscall_disestablish(NULL, kern_info_09_syscalls); 154 } 155