kern_info_43.c revision 1.8
1 /* $NetBSD: kern_info_43.c,v 1.8 1998/02/10 14:10:25 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 "opt_uvm.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/filedesc.h> 43 #include <sys/kernel.h> 44 #include <sys/vnode.h> 45 #include <sys/proc.h> 46 #include <sys/file.h> 47 #include <sys/socket.h> 48 #include <sys/socketvar.h> 49 #include <sys/stat.h> 50 #include <sys/ioctl.h> 51 #include <sys/fcntl.h> 52 #include <sys/malloc.h> 53 #include <sys/syslog.h> 54 #include <sys/unistd.h> 55 #include <sys/resourcevar.h> 56 #include <vm/vm.h> 57 #include <sys/sysctl.h> 58 59 #if defined(UVM) 60 #include <uvm/uvm_extern.h> 61 #endif 62 63 #include <sys/mount.h> 64 #include <sys/syscallargs.h> 65 66 int 67 compat_43_sys_getdtablesize(p, v, retval) 68 struct proc *p; 69 void *v; 70 register_t *retval; 71 { 72 73 *retval = min((int)p->p_rlimit[RLIMIT_NOFILE].rlim_cur, maxfiles); 74 return (0); 75 } 76 77 78 /* ARGSUSED */ 79 int 80 compat_43_sys_gethostid(p, v, retval) 81 struct proc *p; 82 void *v; 83 register_t *retval; 84 { 85 86 *(int32_t *)retval = hostid; 87 return (0); 88 } 89 90 91 /*ARGSUSED*/ 92 int 93 compat_43_sys_gethostname(p, v, retval) 94 struct proc *p; 95 void *v; 96 register_t *retval; 97 { 98 struct compat_43_sys_gethostname_args /* { 99 syscallarg(char *) hostname; 100 syscallarg(u_int) len; 101 } */ *uap = v; 102 int name; 103 size_t sz; 104 105 name = KERN_HOSTNAME; 106 sz = SCARG(uap, len); 107 return (kern_sysctl(&name, 1, SCARG(uap, hostname), &sz, 0, 0, p)); 108 } 109 110 #define KINFO_PROC (0<<8) 111 #define KINFO_RT (1<<8) 112 #define KINFO_VNODE (2<<8) 113 #define KINFO_FILE (3<<8) 114 #define KINFO_METER (4<<8) 115 #define KINFO_LOADAVG (5<<8) 116 #define KINFO_CLOCKRATE (6<<8) 117 #define KINFO_BSDI_SYSINFO (101<<8) 118 119 120 /* 121 * The string data is appended to the end of the bsdi_si structure during 122 * copyout. The "char *" offsets in the bsdi_si struct are relative to the 123 * base of the bsdi_si struct. 124 */ 125 struct bsdi_si { 126 char *machine; 127 char *cpu_model; 128 long ncpu; 129 long cpuspeed; 130 long hwflags; 131 u_long physmem; 132 u_long usermem; 133 u_long pagesize; 134 135 char *ostype; 136 char *osrelease; 137 long os_revision; 138 long posix1_version; 139 char *version; 140 141 long hz; 142 long profhz; 143 int ngroups_max; 144 long arg_max; 145 long open_max; 146 long child_max; 147 148 struct timeval boottime; 149 char *hostname; 150 }; 151 152 int 153 compat_43_sys_getkerninfo(p, v, retval) 154 struct proc *p; 155 void *v; 156 register_t *retval; 157 { 158 register struct compat_43_sys_getkerninfo_args /* { 159 syscallarg(int) op; 160 syscallarg(char *) where; 161 syscallarg(int *) size; 162 syscallarg(int) arg; 163 } */ *uap = v; 164 int error, name[5]; 165 size_t size; 166 167 if (SCARG(uap, size) && (error = copyin((caddr_t)SCARG(uap, size), 168 (caddr_t)&size, sizeof(size)))) 169 return (error); 170 171 switch (SCARG(uap, op) & 0xff00) { 172 173 case KINFO_RT: 174 name[0] = PF_ROUTE; 175 name[1] = 0; 176 name[2] = (SCARG(uap, op) & 0xff0000) >> 16; 177 name[3] = SCARG(uap, op) & 0xff; 178 name[4] = SCARG(uap, arg); 179 error = 180 net_sysctl(name, 5, SCARG(uap, where), &size, NULL, 0, p); 181 break; 182 183 case KINFO_VNODE: 184 name[0] = KERN_VNODE; 185 error = 186 kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p); 187 break; 188 189 case KINFO_PROC: 190 name[0] = KERN_PROC; 191 name[1] = SCARG(uap, op) & 0xff; 192 name[2] = SCARG(uap, arg); 193 error = 194 kern_sysctl(name, 3, SCARG(uap, where), &size, NULL, 0, p); 195 break; 196 197 case KINFO_FILE: 198 name[0] = KERN_FILE; 199 error = 200 kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p); 201 break; 202 203 case KINFO_METER: 204 name[0] = VM_METER; 205 error = 206 #if defined(UVM) 207 uvm_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p); 208 #else 209 vm_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p); 210 #endif 211 break; 212 213 case KINFO_LOADAVG: 214 name[0] = VM_LOADAVG; 215 error = 216 #if defined(UVM) 217 uvm_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p); 218 #else 219 vm_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p); 220 #endif 221 break; 222 223 case KINFO_CLOCKRATE: 224 name[0] = KERN_CLOCKRATE; 225 error = 226 kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p); 227 break; 228 229 230 case KINFO_BSDI_SYSINFO: 231 { 232 size_t len; 233 struct bsdi_si *usi = 234 (struct bsdi_si *) SCARG(uap, where); 235 struct bsdi_si ksi; 236 char *us = (char *) &usi[1]; 237 extern struct timeval boottime; 238 extern char ostype[], osrelease[], machine[], 239 hostname[], cpu_model[], version[]; 240 241 if (usi == NULL) { 242 size = sizeof(ksi) + 243 strlen(ostype) + strlen(cpu_model) + 244 strlen(osrelease) + strlen(machine) + 245 strlen(version) + strlen(hostname) + 6; 246 error = 0; 247 break; 248 } 249 250 #define COPY(fld) \ 251 ksi.fld = us - (u_long) usi; \ 252 if ((error = copyoutstr(fld, us, 1024, &len)) != 0)\ 253 return error; \ 254 us += len 255 256 COPY(machine); 257 COPY(cpu_model); 258 ksi.ncpu = 1; /* XXX */ 259 ksi.cpuspeed = 40; /* XXX */ 260 ksi.hwflags = 0; /* XXX */ 261 ksi.physmem = ctob(physmem); 262 ksi.usermem = ctob(physmem); /* XXX */ 263 ksi.pagesize = PAGE_SIZE; 264 265 COPY(ostype); 266 COPY(osrelease); 267 ksi.os_revision = NetBSD; /* XXX */ 268 ksi.posix1_version = _POSIX_VERSION; 269 COPY(version); /* XXX */ 270 271 ksi.hz = hz; 272 ksi.profhz = profhz; 273 ksi.ngroups_max = NGROUPS_MAX; 274 ksi.arg_max = ARG_MAX; 275 ksi.open_max = OPEN_MAX; 276 ksi.child_max = CHILD_MAX; 277 278 ksi.boottime = boottime; 279 COPY(hostname); 280 281 size = (us - (char *) &usi[1]) + sizeof(ksi); 282 283 if ((error = copyout(&ksi, usi, sizeof(ksi))) != 0) 284 return error; 285 } 286 break; 287 288 default: 289 return (EOPNOTSUPP); 290 } 291 if (error) 292 return (error); 293 *retval = size; 294 if (SCARG(uap, size)) 295 error = copyout((caddr_t)&size, (caddr_t)SCARG(uap, size), 296 sizeof(size)); 297 return (error); 298 } 299 300 301 /* ARGSUSED */ 302 int 303 compat_43_sys_sethostid(p, v, retval) 304 struct proc *p; 305 void *v; 306 register_t *retval; 307 { 308 struct compat_43_sys_sethostid_args /* { 309 syscallarg(int32_t) hostid; 310 } */ *uap = v; 311 int error; 312 313 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 314 return (error); 315 hostid = SCARG(uap, hostid); 316 return (0); 317 } 318 319 320 /* ARGSUSED */ 321 int 322 compat_43_sys_sethostname(p, v, retval) 323 struct proc *p; 324 void *v; 325 register_t *retval; 326 { 327 struct compat_43_sys_sethostname_args *uap = v; 328 int name; 329 int error; 330 331 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 332 return (error); 333 name = KERN_HOSTNAME; 334 return (kern_sysctl(&name, 1, 0, 0, SCARG(uap, hostname), 335 SCARG(uap, len), p)); 336 } 337
Indexes created Mon Oct 13 00:09:54 GMT 2025