kern_info_43.c revision 1.35 1 1.35 christos /* $NetBSD: kern_info_43.c,v 1.35 2014/03/24 20:08:08 christos Exp $ */
2 1.1 christos
3 1.1 christos /*
4 1.1 christos * Copyright (c) 1982, 1986, 1991, 1993
5 1.1 christos * The Regents of the University of California. All rights reserved.
6 1.1 christos *
7 1.1 christos * Redistribution and use in source and binary forms, with or without
8 1.1 christos * modification, are permitted provided that the following conditions
9 1.1 christos * are met:
10 1.1 christos * 1. Redistributions of source code must retain the above copyright
11 1.1 christos * notice, this list of conditions and the following disclaimer.
12 1.1 christos * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 christos * notice, this list of conditions and the following disclaimer in the
14 1.1 christos * documentation and/or other materials provided with the distribution.
15 1.17 agc * 3. Neither the name of the University nor the names of its contributors
16 1.1 christos * may be used to endorse or promote products derived from this software
17 1.1 christos * without specific prior written permission.
18 1.1 christos *
19 1.1 christos * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 1.1 christos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 1.1 christos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 1.1 christos * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 1.1 christos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 1.1 christos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 1.1 christos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 1.1 christos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 1.1 christos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 1.1 christos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 1.1 christos * SUCH DAMAGE.
30 1.1 christos *
31 1.1 christos * @(#)subr_xxx.c 8.1 (Berkeley) 6/10/93
32 1.1 christos */
33 1.13 lukem
34 1.13 lukem #include <sys/cdefs.h>
35 1.35 christos __KERNEL_RCSID(0, "$NetBSD: kern_info_43.c,v 1.35 2014/03/24 20:08:08 christos Exp $");
36 1.8 mrg
37 1.1 christos #include <sys/param.h>
38 1.1 christos #include <sys/systm.h>
39 1.1 christos #include <sys/filedesc.h>
40 1.1 christos #include <sys/kernel.h>
41 1.1 christos #include <sys/vnode.h>
42 1.1 christos #include <sys/proc.h>
43 1.1 christos #include <sys/file.h>
44 1.1 christos #include <sys/socket.h>
45 1.1 christos #include <sys/socketvar.h>
46 1.1 christos #include <sys/stat.h>
47 1.1 christos #include <sys/ioctl.h>
48 1.1 christos #include <sys/fcntl.h>
49 1.1 christos #include <sys/syslog.h>
50 1.1 christos #include <sys/unistd.h>
51 1.1 christos #include <sys/resourcevar.h>
52 1.22 elad #include <sys/kauth.h>
53 1.35 christos #include <sys/cpu.h>
54 1.9 mrg
55 1.12 mrg #include <uvm/uvm_extern.h>
56 1.1 christos #include <sys/sysctl.h>
57 1.7 mrg
58 1.1 christos #include <sys/mount.h>
59 1.1 christos #include <sys/syscallargs.h>
60 1.34 christos #include <compat/sys/time.h>
61 1.1 christos
62 1.1 christos int
63 1.30 dsl compat_43_sys_getdtablesize(struct lwp *l, const void *v, register_t *retval)
64 1.1 christos {
65 1.14 thorpej struct proc *p = l->l_proc;
66 1.1 christos
67 1.33 ad mutex_enter(p->p_lock);
68 1.1 christos *retval = min((int)p->p_rlimit[RLIMIT_NOFILE].rlim_cur, maxfiles);
69 1.33 ad mutex_exit(p->p_lock);
70 1.1 christos return (0);
71 1.1 christos }
72 1.1 christos
73 1.1 christos
74 1.1 christos /* ARGSUSED */
75 1.1 christos int
76 1.30 dsl compat_43_sys_gethostid(struct lwp *l, const void *v, register_t *retval)
77 1.1 christos {
78 1.1 christos
79 1.1 christos *(int32_t *)retval = hostid;
80 1.1 christos return (0);
81 1.1 christos }
82 1.1 christos
83 1.1 christos
84 1.1 christos /*ARGSUSED*/
85 1.1 christos int
86 1.30 dsl compat_43_sys_gethostname(struct lwp *l, const struct compat_43_sys_gethostname_args *uap, register_t *retval)
87 1.2 thorpej {
88 1.30 dsl /* {
89 1.1 christos syscallarg(char *) hostname;
90 1.1 christos syscallarg(u_int) len;
91 1.30 dsl } */
92 1.19 atatat int name[2];
93 1.5 cgd size_t sz;
94 1.1 christos
95 1.19 atatat name[0] = CTL_KERN;
96 1.19 atatat name[1] = KERN_HOSTNAME;
97 1.5 cgd sz = SCARG(uap, len);
98 1.19 atatat return (old_sysctl(&name[0], 2, SCARG(uap, hostname), &sz, 0, 0, l));
99 1.1 christos }
100 1.1 christos
101 1.1 christos #define KINFO_PROC (0<<8)
102 1.1 christos #define KINFO_RT (1<<8)
103 1.1 christos #define KINFO_VNODE (2<<8)
104 1.1 christos #define KINFO_FILE (3<<8)
105 1.1 christos #define KINFO_METER (4<<8)
106 1.1 christos #define KINFO_LOADAVG (5<<8)
107 1.1 christos #define KINFO_CLOCKRATE (6<<8)
108 1.6 christos #define KINFO_BSDI_SYSINFO (101<<8)
109 1.6 christos
110 1.6 christos
111 1.6 christos /*
112 1.6 christos * The string data is appended to the end of the bsdi_si structure during
113 1.6 christos * copyout. The "char *" offsets in the bsdi_si struct are relative to the
114 1.20 perry * base of the bsdi_si struct.
115 1.6 christos */
116 1.6 christos struct bsdi_si {
117 1.6 christos char *machine;
118 1.6 christos char *cpu_model;
119 1.6 christos long ncpu;
120 1.6 christos long cpuspeed;
121 1.6 christos long hwflags;
122 1.6 christos u_long physmem;
123 1.6 christos u_long usermem;
124 1.6 christos u_long pagesize;
125 1.6 christos
126 1.6 christos char *ostype;
127 1.6 christos char *osrelease;
128 1.6 christos long os_revision;
129 1.6 christos long posix1_version;
130 1.6 christos char *version;
131 1.6 christos
132 1.6 christos long hz;
133 1.6 christos long profhz;
134 1.6 christos int ngroups_max;
135 1.6 christos long arg_max;
136 1.6 christos long open_max;
137 1.6 christos long child_max;
138 1.6 christos
139 1.34 christos struct timeval50 boottime;
140 1.6 christos char *hostname;
141 1.6 christos };
142 1.1 christos
143 1.1 christos int
144 1.30 dsl compat_43_sys_getkerninfo(struct lwp *l, const struct compat_43_sys_getkerninfo_args *uap, register_t *retval)
145 1.2 thorpej {
146 1.30 dsl /* {
147 1.1 christos syscallarg(int) op;
148 1.1 christos syscallarg(char *) where;
149 1.1 christos syscallarg(int *) size;
150 1.1 christos syscallarg(int) arg;
151 1.30 dsl } */
152 1.19 atatat int error, name[6];
153 1.1 christos size_t size;
154 1.1 christos
155 1.29 christos if (SCARG(uap, size) && (error = copyin((void *)SCARG(uap, size),
156 1.29 christos (void *)&size, sizeof(size))))
157 1.1 christos return (error);
158 1.1 christos
159 1.1 christos switch (SCARG(uap, op) & 0xff00) {
160 1.1 christos
161 1.1 christos case KINFO_RT:
162 1.19 atatat name[0] = CTL_NET;
163 1.19 atatat name[1] = PF_ROUTE;
164 1.19 atatat name[2] = 0;
165 1.19 atatat name[3] = (SCARG(uap, op) & 0xff0000) >> 16;
166 1.19 atatat name[4] = SCARG(uap, op) & 0xff;
167 1.19 atatat name[5] = SCARG(uap, arg);
168 1.19 atatat error = old_sysctl(&name[0], 6, SCARG(uap, where), &size,
169 1.19 atatat NULL, 0, l);
170 1.1 christos break;
171 1.1 christos
172 1.1 christos case KINFO_VNODE:
173 1.19 atatat name[0] = CTL_KERN;
174 1.19 atatat name[1] = KERN_VNODE;
175 1.19 atatat error = old_sysctl(&name[0], 2, SCARG(uap, where), &size,
176 1.19 atatat NULL, 0, l);
177 1.1 christos break;
178 1.1 christos
179 1.1 christos case KINFO_PROC:
180 1.19 atatat name[0] = CTL_KERN;
181 1.19 atatat name[1] = KERN_PROC;
182 1.19 atatat name[2] = SCARG(uap, op) & 0xff;
183 1.19 atatat name[3] = SCARG(uap, arg);
184 1.19 atatat error = old_sysctl(&name[0], 4, SCARG(uap, where), &size,
185 1.19 atatat NULL, 0, l);
186 1.1 christos break;
187 1.1 christos
188 1.1 christos case KINFO_FILE:
189 1.19 atatat name[0] = CTL_KERN;
190 1.19 atatat name[1] = KERN_FILE;
191 1.19 atatat error = old_sysctl(&name[0], 2, SCARG(uap, where), &size,
192 1.19 atatat NULL, 0, l);
193 1.1 christos break;
194 1.1 christos
195 1.1 christos case KINFO_METER:
196 1.19 atatat name[0] = CTL_VM;
197 1.19 atatat name[1] = VM_METER;
198 1.19 atatat error = old_sysctl(&name[0], 2, SCARG(uap, where), &size,
199 1.19 atatat NULL, 0, l);
200 1.1 christos break;
201 1.1 christos
202 1.1 christos case KINFO_LOADAVG:
203 1.19 atatat name[0] = CTL_VM;
204 1.19 atatat name[1] = VM_LOADAVG;
205 1.19 atatat error = old_sysctl(&name[0], 2, SCARG(uap, where), &size,
206 1.19 atatat NULL, 0, l);
207 1.1 christos break;
208 1.1 christos
209 1.1 christos case KINFO_CLOCKRATE:
210 1.19 atatat name[0] = CTL_KERN;
211 1.19 atatat name[1] = KERN_CLOCKRATE;
212 1.19 atatat error = old_sysctl(&name[0], 2, SCARG(uap, where), &size,
213 1.19 atatat NULL, 0, l);
214 1.6 christos break;
215 1.6 christos
216 1.6 christos
217 1.6 christos case KINFO_BSDI_SYSINFO:
218 1.6 christos {
219 1.6 christos size_t len;
220 1.6 christos struct bsdi_si *usi =
221 1.6 christos (struct bsdi_si *) SCARG(uap, where);
222 1.6 christos struct bsdi_si ksi;
223 1.34 christos struct timeval tv;
224 1.35 christos const char *cpu_model = cpu_getmodel();
225 1.6 christos char *us = (char *) &usi[1];
226 1.6 christos
227 1.6 christos if (usi == NULL) {
228 1.6 christos size = sizeof(ksi) +
229 1.6 christos strlen(ostype) + strlen(cpu_model) +
230 1.6 christos strlen(osrelease) + strlen(machine) +
231 1.6 christos strlen(version) + strlen(hostname) + 6;
232 1.6 christos error = 0;
233 1.6 christos break;
234 1.6 christos }
235 1.6 christos
236 1.6 christos #define COPY(fld) \
237 1.6 christos ksi.fld = us - (u_long) usi; \
238 1.6 christos if ((error = copyoutstr(fld, us, 1024, &len)) != 0)\
239 1.6 christos return error; \
240 1.6 christos us += len
241 1.6 christos
242 1.6 christos COPY(machine);
243 1.6 christos COPY(cpu_model);
244 1.28 ad ksi.ncpu = ncpu; /* XXX */
245 1.6 christos ksi.cpuspeed = 40; /* XXX */
246 1.6 christos ksi.hwflags = 0; /* XXX */
247 1.6 christos ksi.physmem = ctob(physmem);
248 1.6 christos ksi.usermem = ctob(physmem); /* XXX */
249 1.6 christos ksi.pagesize = PAGE_SIZE;
250 1.6 christos
251 1.6 christos COPY(ostype);
252 1.6 christos COPY(osrelease);
253 1.6 christos ksi.os_revision = NetBSD; /* XXX */
254 1.6 christos ksi.posix1_version = _POSIX_VERSION;
255 1.6 christos COPY(version); /* XXX */
256 1.6 christos
257 1.6 christos ksi.hz = hz;
258 1.6 christos ksi.profhz = profhz;
259 1.6 christos ksi.ngroups_max = NGROUPS_MAX;
260 1.6 christos ksi.arg_max = ARG_MAX;
261 1.6 christos ksi.open_max = OPEN_MAX;
262 1.6 christos ksi.child_max = CHILD_MAX;
263 1.6 christos
264 1.34 christos TIMESPEC_TO_TIMEVAL(&tv, &boottime);
265 1.34 christos timeval_to_timeval50(&tv, &ksi.boottime);
266 1.6 christos COPY(hostname);
267 1.6 christos
268 1.6 christos size = (us - (char *) &usi[1]) + sizeof(ksi);
269 1.6 christos
270 1.6 christos if ((error = copyout(&ksi, usi, sizeof(ksi))) != 0)
271 1.6 christos return error;
272 1.6 christos }
273 1.1 christos break;
274 1.1 christos
275 1.1 christos default:
276 1.1 christos return (EOPNOTSUPP);
277 1.1 christos }
278 1.1 christos if (error)
279 1.1 christos return (error);
280 1.1 christos *retval = size;
281 1.1 christos if (SCARG(uap, size))
282 1.29 christos error = copyout((void *)&size, (void *)SCARG(uap, size),
283 1.1 christos sizeof(size));
284 1.1 christos return (error);
285 1.1 christos }
286 1.1 christos
287 1.1 christos
288 1.1 christos /* ARGSUSED */
289 1.1 christos int
290 1.30 dsl compat_43_sys_sethostid(struct lwp *l, const struct compat_43_sys_sethostid_args *uap, register_t *retval)
291 1.2 thorpej {
292 1.32 elad long uhostid;
293 1.32 elad int name[2];
294 1.32 elad
295 1.32 elad uhostid = SCARG(uap, hostid);
296 1.32 elad name[0] = CTL_KERN;
297 1.32 elad name[1] = KERN_HOSTID;
298 1.1 christos
299 1.32 elad return (old_sysctl(&name[0], 2, 0, 0, &uhostid, sizeof(long), l));
300 1.1 christos }
301 1.1 christos
302 1.1 christos
303 1.1 christos /* ARGSUSED */
304 1.1 christos int
305 1.30 dsl compat_43_sys_sethostname(struct lwp *l, const struct compat_43_sys_sethostname_args *uap, register_t *retval)
306 1.1 christos {
307 1.19 atatat int name[2];
308 1.1 christos
309 1.19 atatat name[0] = CTL_KERN;
310 1.19 atatat name[1] = KERN_HOSTNAME;
311 1.19 atatat return (old_sysctl(&name[0], 2, 0, 0, SCARG(uap, hostname),
312 1.19 atatat SCARG(uap, len), l));
313 1.1 christos }
314