kern_info_43.c revision 1.9
1 /* $NetBSD: kern_info_43.c,v 1.9 1999/03/24 05:51:19 mrg 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)subr_xxx.c 8.1 (Berkeley) 6/10/93 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/filedesc.h> 41 #include <sys/kernel.h> 42 #include <sys/vnode.h> 43 #include <sys/proc.h> 44 #include <sys/file.h> 45 #include <sys/socket.h> 46 #include <sys/socketvar.h> 47 #include <sys/stat.h> 48 #include <sys/ioctl.h> 49 #include <sys/fcntl.h> 50 #include <sys/malloc.h> 51 #include <sys/syslog.h> 52 #include <sys/unistd.h> 53 #include <sys/resourcevar.h> 54 55 #include <vm/vm.h> 56 #include <sys/sysctl.h> 57 58 #include <uvm/uvm_extern.h> 59 60 #include <sys/mount.h> 61 #include <sys/syscallargs.h> 62 63 int 64 compat_43_sys_getdtablesize(p, v, retval) 65 struct proc *p; 66 void *v; 67 register_t *retval; 68 { 69 70 *retval = min((int)p->p_rlimit[RLIMIT_NOFILE].rlim_cur, maxfiles); 71 return (0); 72 } 73 74 75 /* ARGSUSED */ 76 int 77 compat_43_sys_gethostid(p, v, retval) 78 struct proc *p; 79 void *v; 80 register_t *retval; 81 { 82 83 *(int32_t *)retval = hostid; 84 return (0); 85 } 86 87 88 /*ARGSUSED*/ 89 int 90 compat_43_sys_gethostname(p, v, retval) 91 struct proc *p; 92 void *v; 93 register_t *retval; 94 { 95 struct compat_43_sys_gethostname_args /* { 96 syscallarg(char *) hostname; 97 syscallarg(u_int) len; 98 } */ *uap = v; 99 int name; 100 size_t sz; 101 102 name = KERN_HOSTNAME; 103 sz = SCARG(uap, len); 104 return (kern_sysctl(&name, 1, SCARG(uap, hostname), &sz, 0, 0, p)); 105 } 106 107 #define KINFO_PROC (0<<8) 108 #define KINFO_RT (1<<8) 109 #define KINFO_VNODE (2<<8) 110 #define KINFO_FILE (3<<8) 111 #define KINFO_METER (4<<8) 112 #define KINFO_LOADAVG (5<<8) 113 #define KINFO_CLOCKRATE (6<<8) 114 #define KINFO_BSDI_SYSINFO (101<<8) 115 116 117 /* 118 * The string data is appended to the end of the bsdi_si structure during 119 * copyout. The "char *" offsets in the bsdi_si struct are relative to the 120 * base of the bsdi_si struct. 121 */ 122 struct bsdi_si { 123 char *machine; 124 char *cpu_model; 125 long ncpu; 126 long cpuspeed; 127 long hwflags; 128 u_long physmem; 129 u_long usermem; 130 u_long pagesize; 131 132 char *ostype; 133 char *osrelease; 134 long os_revision; 135 long posix1_version; 136 char *version; 137 138 long hz; 139 long profhz; 140 int ngroups_max; 141 long arg_max; 142 long open_max; 143 long child_max; 144 145 struct timeval boottime; 146 char *hostname; 147 }; 148 149 int 150 compat_43_sys_getkerninfo(p, v, retval) 151 struct proc *p; 152 void *v; 153 register_t *retval; 154 { 155 register struct compat_43_sys_getkerninfo_args /* { 156 syscallarg(int) op; 157 syscallarg(char *) where; 158 syscallarg(int *) size; 159 syscallarg(int) arg; 160 } */ *uap = v; 161 int error, name[5]; 162 size_t size; 163 164 if (SCARG(uap, size) && (error = copyin((caddr_t)SCARG(uap, size), 165 (caddr_t)&size, sizeof(size)))) 166 return (error); 167 168 switch (SCARG(uap, op) & 0xff00) { 169 170 case KINFO_RT: 171 name[0] = PF_ROUTE; 172 name[1] = 0; 173 name[2] = (SCARG(uap, op) & 0xff0000) >> 16; 174 name[3] = SCARG(uap, op) & 0xff; 175 name[4] = SCARG(uap, arg); 176 error = 177 net_sysctl(name, 5, SCARG(uap, where), &size, NULL, 0, p); 178 break; 179 180 case KINFO_VNODE: 181 name[0] = KERN_VNODE; 182 error = 183 kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p); 184 break; 185 186 case KINFO_PROC: 187 name[0] = KERN_PROC; 188 name[1] = SCARG(uap, op) & 0xff; 189 name[2] = SCARG(uap, arg); 190 error = 191 kern_sysctl(name, 3, SCARG(uap, where), &size, NULL, 0, p); 192 break; 193 194 case KINFO_FILE: 195 name[0] = KERN_FILE; 196 error = 197 kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p); 198 break; 199 200 case KINFO_METER: 201 name[0] = VM_METER; 202 error = 203 uvm_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p); 204 break; 205 206 case KINFO_LOADAVG: 207 name[0] = VM_LOADAVG; 208 error = 209 uvm_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p); 210 break; 211 212 case KINFO_CLOCKRATE: 213 name[0] = KERN_CLOCKRATE; 214 error = 215 kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p); 216 break; 217 218 219 case KINFO_BSDI_SYSINFO: 220 { 221 size_t len; 222 struct bsdi_si *usi = 223 (struct bsdi_si *) SCARG(uap, where); 224 struct bsdi_si ksi; 225 char *us = (char *) &usi[1]; 226 extern struct timeval boottime; 227 extern char ostype[], osrelease[], machine[], 228 hostname[], cpu_model[], version[]; 229 230 if (usi == NULL) { 231 size = sizeof(ksi) + 232 strlen(ostype) + strlen(cpu_model) + 233 strlen(osrelease) + strlen(machine) + 234 strlen(version) + strlen(hostname) + 6; 235 error = 0; 236 break; 237 } 238 239 #define COPY(fld) \ 240 ksi.fld = us - (u_long) usi; \ 241 if ((error = copyoutstr(fld, us, 1024, &len)) != 0)\ 242 return error; \ 243 us += len 244 245 COPY(machine); 246 COPY(cpu_model); 247 ksi.ncpu = 1; /* XXX */ 248 ksi.cpuspeed = 40; /* XXX */ 249 ksi.hwflags = 0; /* XXX */ 250 ksi.physmem = ctob(physmem); 251 ksi.usermem = ctob(physmem); /* XXX */ 252 ksi.pagesize = PAGE_SIZE; 253 254 COPY(ostype); 255 COPY(osrelease); 256 ksi.os_revision = NetBSD; /* XXX */ 257 ksi.posix1_version = _POSIX_VERSION; 258 COPY(version); /* XXX */ 259 260 ksi.hz = hz; 261 ksi.profhz = profhz; 262 ksi.ngroups_max = NGROUPS_MAX; 263 ksi.arg_max = ARG_MAX; 264 ksi.open_max = OPEN_MAX; 265 ksi.child_max = CHILD_MAX; 266 267 ksi.boottime = boottime; 268 COPY(hostname); 269 270 size = (us - (char *) &usi[1]) + sizeof(ksi); 271 272 if ((error = copyout(&ksi, usi, sizeof(ksi))) != 0) 273 return error; 274 } 275 break; 276 277 default: 278 return (EOPNOTSUPP); 279 } 280 if (error) 281 return (error); 282 *retval = size; 283 if (SCARG(uap, size)) 284 error = copyout((caddr_t)&size, (caddr_t)SCARG(uap, size), 285 sizeof(size)); 286 return (error); 287 } 288 289 290 /* ARGSUSED */ 291 int 292 compat_43_sys_sethostid(p, v, retval) 293 struct proc *p; 294 void *v; 295 register_t *retval; 296 { 297 struct compat_43_sys_sethostid_args /* { 298 syscallarg(int32_t) hostid; 299 } */ *uap = v; 300 int error; 301 302 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 303 return (error); 304 hostid = SCARG(uap, hostid); 305 return (0); 306 } 307 308 309 /* ARGSUSED */ 310 int 311 compat_43_sys_sethostname(p, v, retval) 312 struct proc *p; 313 void *v; 314 register_t *retval; 315 { 316 struct compat_43_sys_sethostname_args *uap = v; 317 int name; 318 int error; 319 320 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 321 return (error); 322 name = KERN_HOSTNAME; 323 return (kern_sysctl(&name, 1, 0, 0, SCARG(uap, hostname), 324 SCARG(uap, len), p)); 325 } 326
Indexes created Mon Oct 13 00:09:54 GMT 2025