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31 * @(#)kern_xxx.c 8.2 (Berkeley) 11/14/93
34 #include <sys/cdefs.h>
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/sysproto.h>
38 #include <sys/kernel.h>
42 #include <sys/mutex.h>
43 #include <sys/socket.h>
44 #include <sys/sysctl.h>
45 #include <sys/utsname.h>
47 #include <vm/vm_param.h>
49 #if defined(COMPAT_43)
52 ogethostname(struct thread *td, struct ogethostname_args *uap)
55 size_t len = uap->len;
58 name[1] = KERN_HOSTNAME;
59 return (userland_sysctl(td, name, 2, uap->hostname, &len,
64 osethostname(struct thread *td, struct osethostname_args *uap)
69 name[1] = KERN_HOSTNAME;
70 return (userland_sysctl(td, name, 2, 0, 0, 0, uap->hostname,
74 #ifndef _SYS_SYSPROTO_H_
75 struct ogethostid_args {
81 ogethostid(struct thread *td, struct ogethostid_args *uap)
83 size_t len = sizeof(long);
87 name[1] = KERN_HOSTID;
88 return (kernel_sysctl(td, name, 2, (long *)td->td_retval, &len,
93 osethostid(struct thread *td, struct osethostid_args *uap)
98 name[1] = KERN_HOSTID;
99 return (kernel_sysctl(td, name, 2, NULL, NULL, &uap->hostid,
100 sizeof(uap->hostid), NULL, 0));
104 oquota(struct thread *td, struct oquota_args *uap)
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)
118 /* Non-standard BSDI extension - only present on their 4.3 net-2 releases */
119 #define KINFO_BSDI_SYSINFO (101<<8)
122 * XXX this is bloat, but I hope it's better here than on the potentially
123 * limited kernel stack... -Peter
127 int bsdi_machine; /* "i386" on BSD/386 */
128 /* ^^^ this is an offset to the string, relative to the struct start */
137 int bsdi_ostype; /* "BSD/386" on BSD/386 */
138 int bsdi_osrelease; /* "1.1" on BSD/386 */
150 struct timeval pad16;
151 /* we dont set this, because BSDI's uname used gethostname() instead */
152 int bsdi_hostname; /* hostname on BSD/386 */
154 /* the actual string data is appended here */
159 * this data is appended to the end of the bsdi_si structure during copyout.
160 * The "char *" offsets are relative to the base of the bsdi_si struct.
161 * This contains "FreeBSD\02.0-BUILT-nnnnnn\0i386\0", and these strings
162 * should not exceed the length of the buffer here... (or else!! :-)
164 static char bsdi_strings[80]; /* It had better be less than this! */
167 ogetkerninfo(struct thread *td, struct ogetkerninfo_args *uap)
173 switch (uap->op & 0xff00) {
178 name[3] = (uap->op & 0xff0000) >> 16;
179 name[4] = uap->op & 0xff;
181 error = userland_sysctl(td, name, 6, uap->where, uap->size,
187 name[1] = KERN_VNODE;
188 error = userland_sysctl(td, name, 2, uap->where, uap->size,
195 name[2] = uap->op & 0xff;
197 error = userland_sysctl(td, name, 4, uap->where, uap->size,
204 error = userland_sysctl(td, name, 2, uap->where, uap->size,
211 error = userland_sysctl(td, name, 2, uap->where, uap->size,
217 name[1] = VM_LOADAVG;
218 error = userland_sysctl(td, name, 2, uap->where, uap->size,
222 case KINFO_CLOCKRATE:
224 name[1] = KERN_CLOCKRATE;
225 error = userland_sysctl(td, name, 2, uap->where, uap->size,
229 case KINFO_BSDI_SYSINFO: {
231 * this is pretty crude, but it's just enough for uname()
232 * from BSDI's 1.x libc to work.
234 * *size gives the size of the buffer before the call, and
235 * the amount of data copied after a successful call.
236 * If successful, the return value is the amount of data
237 * available, which can be larger than *size.
239 * BSDI's 2.x product apparently fails with ENOMEM if *size
246 bzero((char *)&bsdi_si, sizeof(bsdi_si));
247 bzero(bsdi_strings, sizeof(bsdi_strings));
251 bsdi_si.bsdi_ostype = (s - bsdi_strings) + sizeof(bsdi_si);
255 bsdi_si.bsdi_osrelease = (s - bsdi_strings) + sizeof(bsdi_si);
256 strcpy(s, osrelease);
259 bsdi_si.bsdi_machine = (s - bsdi_strings) + sizeof(bsdi_si);
263 needed = sizeof(bsdi_si) + (s - bsdi_strings);
265 if ((uap->where == NULL) || (uap->size == NULL)) {
266 /* process is asking how much buffer to supply.. */
272 if ((error = copyin(uap->size, &size, sizeof(size))) != 0)
275 /* if too much buffer supplied, trim it down */
279 /* how much of the buffer is remaining */
282 if ((error = copyout((char *)&bsdi_si, uap->where, left)) != 0)
285 /* is there any point in continuing? */
286 if (left > sizeof(bsdi_si)) {
287 left -= sizeof(bsdi_si);
288 error = copyout(&bsdi_strings,
289 uap->where + sizeof(bsdi_si), left);
299 td->td_retval[0] = needed ? needed : size;
301 error = copyout(&size, uap->size, sizeof(size));
306 #endif /* COMPAT_43 */
308 #ifdef COMPAT_FREEBSD4
310 * This is the FreeBSD-1.1 compatible uname(2) interface. These days it is
311 * done in libc as a wrapper around a bunch of sysctl's. This must maintain
312 * the old 1.1 binary ABI.
315 #error "FreeBSD-1.1 uname syscall has been broken"
317 #ifndef _SYS_SYSPROTO_H_
319 struct utsname *name;
324 freebsd4_uname(struct thread *td, struct freebsd4_uname_args *uap)
331 name[1] = KERN_OSTYPE;
332 len = sizeof (uap->name->sysname);
333 error = userland_sysctl(td, name, 2, uap->name->sysname, &len,
337 subyte( uap->name->sysname + sizeof(uap->name->sysname) - 1, 0);
339 name[1] = KERN_HOSTNAME;
340 len = sizeof uap->name->nodename;
341 error = userland_sysctl(td, name, 2, uap->name->nodename, &len,
345 subyte( uap->name->nodename + sizeof(uap->name->nodename) - 1, 0);
347 name[1] = KERN_OSRELEASE;
348 len = sizeof uap->name->release;
349 error = userland_sysctl(td, name, 2, uap->name->release, &len,
353 subyte( uap->name->release + sizeof(uap->name->release) - 1, 0);
357 len = sizeof uap->name->version;
358 error = userland_sysctl(td, name, 2, uap->name->version, &len,
362 subyte( uap->name->version + sizeof(uap->name->version) - 1, 0);
366 * this stupid hackery to make the version field look like FreeBSD 1.1
368 for(s = version; *s && *s != '#'; s++);
370 for(us = uap->name->version; *s && *s != ':'; s++) {
371 error = subyte( us++, *s);
375 error = subyte( us++, 0);
380 name[1] = HW_MACHINE;
381 len = sizeof uap->name->machine;
382 error = userland_sysctl(td, name, 2, uap->name->machine, &len,
386 subyte( uap->name->machine + sizeof(uap->name->machine) - 1, 0);
390 #ifndef _SYS_SYSPROTO_H_
391 struct getdomainname_args {
398 freebsd4_getdomainname(struct thread *td,
399 struct freebsd4_getdomainname_args *uap)
402 size_t len = uap->len;
405 name[1] = KERN_NISDOMAINNAME;
406 return (userland_sysctl(td, name, 2, uap->domainname, &len,
410 #ifndef _SYS_SYSPROTO_H_
411 struct setdomainname_args {
418 freebsd4_setdomainname(struct thread *td,
419 struct freebsd4_setdomainname_args *uap)
424 name[1] = KERN_NISDOMAINNAME;
425 return (userland_sysctl(td, name, 2, 0, 0, 0, uap->domainname,
428 #endif /* COMPAT_FREEBSD4 */