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31 * @(#)kern_xxx.c 8.2 (Berkeley) 11/14/93
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/sysproto.h>
40 #include <sys/kernel.h>
44 #include <sys/mutex.h>
45 #include <sys/socket.h>
46 #include <sys/sysctl.h>
47 #include <sys/utsname.h>
49 #include <vm/vm_param.h>
51 #if defined(COMPAT_43)
54 ogethostname(struct thread *td, struct ogethostname_args *uap)
57 size_t len = uap->len;
60 name[1] = KERN_HOSTNAME;
61 return (userland_sysctl(td, name, 2, uap->hostname, &len,
66 osethostname(struct thread *td, struct osethostname_args *uap)
71 name[1] = KERN_HOSTNAME;
72 return (userland_sysctl(td, name, 2, 0, 0, 0, uap->hostname,
76 #ifndef _SYS_SYSPROTO_H_
77 struct ogethostid_args {
83 ogethostid(struct thread *td, struct ogethostid_args *uap)
85 size_t len = sizeof(long);
89 name[1] = KERN_HOSTID;
90 return (kernel_sysctl(td, name, 2, (long *)td->td_retval, &len,
95 osethostid(struct thread *td, struct osethostid_args *uap)
100 name[1] = KERN_HOSTID;
101 return (kernel_sysctl(td, name, 2, NULL, NULL, &uap->hostid,
102 sizeof(uap->hostid), NULL, 0));
106 oquota(struct thread *td, struct oquota_args *uap)
112 #define KINFO_PROC (0<<8)
113 #define KINFO_RT (1<<8)
114 #define KINFO_VNODE (2<<8)
115 #define KINFO_FILE (3<<8)
116 #define KINFO_METER (4<<8)
117 #define KINFO_LOADAVG (5<<8)
118 #define KINFO_CLOCKRATE (6<<8)
120 /* Non-standard BSDI extension - only present on their 4.3 net-2 releases */
121 #define KINFO_BSDI_SYSINFO (101<<8)
124 * XXX this is bloat, but I hope it's better here than on the potentially
125 * limited kernel stack... -Peter
129 int bsdi_machine; /* "i386" on BSD/386 */
130 /* ^^^ this is an offset to the string, relative to the struct start */
139 int bsdi_ostype; /* "BSD/386" on BSD/386 */
140 int bsdi_osrelease; /* "1.1" on BSD/386 */
152 struct timeval pad16;
153 /* we dont set this, because BSDI's uname used gethostname() instead */
154 int bsdi_hostname; /* hostname on BSD/386 */
156 /* the actual string data is appended here */
161 * this data is appended to the end of the bsdi_si structure during copyout.
162 * The "char *" offsets are relative to the base of the bsdi_si struct.
163 * This contains "FreeBSD\02.0-BUILT-nnnnnn\0i386\0", and these strings
164 * should not exceed the length of the buffer here... (or else!! :-)
166 static char bsdi_strings[80]; /* It had better be less than this! */
169 ogetkerninfo(struct thread *td, struct ogetkerninfo_args *uap)
175 switch (uap->op & 0xff00) {
180 name[3] = (uap->op & 0xff0000) >> 16;
181 name[4] = uap->op & 0xff;
183 error = userland_sysctl(td, name, 6, uap->where, uap->size,
189 name[1] = KERN_VNODE;
190 error = userland_sysctl(td, name, 2, uap->where, uap->size,
197 name[2] = uap->op & 0xff;
199 error = userland_sysctl(td, name, 4, uap->where, uap->size,
206 error = userland_sysctl(td, name, 2, uap->where, uap->size,
213 error = userland_sysctl(td, name, 2, uap->where, uap->size,
219 name[1] = VM_LOADAVG;
220 error = userland_sysctl(td, name, 2, uap->where, uap->size,
224 case KINFO_CLOCKRATE:
226 name[1] = KERN_CLOCKRATE;
227 error = userland_sysctl(td, name, 2, uap->where, uap->size,
231 case KINFO_BSDI_SYSINFO: {
233 * this is pretty crude, but it's just enough for uname()
234 * from BSDI's 1.x libc to work.
236 * *size gives the size of the buffer before the call, and
237 * the amount of data copied after a successful call.
238 * If successful, the return value is the amount of data
239 * available, which can be larger than *size.
241 * BSDI's 2.x product apparently fails with ENOMEM if *size
248 bzero((char *)&bsdi_si, sizeof(bsdi_si));
249 bzero(bsdi_strings, sizeof(bsdi_strings));
253 bsdi_si.bsdi_ostype = (s - bsdi_strings) + sizeof(bsdi_si);
257 bsdi_si.bsdi_osrelease = (s - bsdi_strings) + sizeof(bsdi_si);
258 strcpy(s, osrelease);
261 bsdi_si.bsdi_machine = (s - bsdi_strings) + sizeof(bsdi_si);
265 needed = sizeof(bsdi_si) + (s - bsdi_strings);
267 if ((uap->where == NULL) || (uap->size == NULL)) {
268 /* process is asking how much buffer to supply.. */
274 if ((error = copyin(uap->size, &size, sizeof(size))) != 0)
277 /* if too much buffer supplied, trim it down */
281 /* how much of the buffer is remaining */
284 if ((error = copyout((char *)&bsdi_si, uap->where, left)) != 0)
287 /* is there any point in continuing? */
288 if (left > sizeof(bsdi_si)) {
289 left -= sizeof(bsdi_si);
290 error = copyout(&bsdi_strings,
291 uap->where + sizeof(bsdi_si), left);
301 td->td_retval[0] = needed ? needed : size;
303 error = copyout(&size, uap->size, sizeof(size));
308 #endif /* COMPAT_43 */
310 #ifdef COMPAT_FREEBSD4
312 * This is the FreeBSD-1.1 compatible uname(2) interface. These days it is
313 * done in libc as a wrapper around a bunch of sysctl's. This must maintain
314 * the old 1.1 binary ABI.
317 #error "FreeBSD-1.1 uname syscall has been broken"
319 #ifndef _SYS_SYSPROTO_H_
321 struct utsname *name;
326 freebsd4_uname(struct thread *td, struct freebsd4_uname_args *uap)
333 name[1] = KERN_OSTYPE;
334 len = sizeof (uap->name->sysname);
335 error = userland_sysctl(td, name, 2, uap->name->sysname, &len,
339 subyte( uap->name->sysname + sizeof(uap->name->sysname) - 1, 0);
341 name[1] = KERN_HOSTNAME;
342 len = sizeof uap->name->nodename;
343 error = userland_sysctl(td, name, 2, uap->name->nodename, &len,
347 subyte( uap->name->nodename + sizeof(uap->name->nodename) - 1, 0);
349 name[1] = KERN_OSRELEASE;
350 len = sizeof uap->name->release;
351 error = userland_sysctl(td, name, 2, uap->name->release, &len,
355 subyte( uap->name->release + sizeof(uap->name->release) - 1, 0);
359 len = sizeof uap->name->version;
360 error = userland_sysctl(td, name, 2, uap->name->version, &len,
364 subyte( uap->name->version + sizeof(uap->name->version) - 1, 0);
368 * this stupid hackery to make the version field look like FreeBSD 1.1
370 for(s = version; *s && *s != '#'; s++);
372 for(us = uap->name->version; *s && *s != ':'; s++) {
373 error = subyte( us++, *s);
377 error = subyte( us++, 0);
382 name[1] = HW_MACHINE;
383 len = sizeof uap->name->machine;
384 error = userland_sysctl(td, name, 2, uap->name->machine, &len,
388 subyte( uap->name->machine + sizeof(uap->name->machine) - 1, 0);
392 #ifndef _SYS_SYSPROTO_H_
393 struct getdomainname_args {
400 freebsd4_getdomainname(struct thread *td,
401 struct freebsd4_getdomainname_args *uap)
404 size_t len = uap->len;
407 name[1] = KERN_NISDOMAINNAME;
408 return (userland_sysctl(td, name, 2, uap->domainname, &len,
412 #ifndef _SYS_SYSPROTO_H_
413 struct setdomainname_args {
420 freebsd4_setdomainname(struct thread *td,
421 struct freebsd4_setdomainname_args *uap)
426 name[1] = KERN_NISDOMAINNAME;
427 return (userland_sysctl(td, name, 2, 0, 0, 0, uap->domainname,
430 #endif /* COMPAT_FREEBSD4 */