Fix compilation. Also move ogetkerninfo() to kern_xxx.c.

It seems I forgot to remove `int error' from a single piece of code. I'm
also moving ogetkerninfo() to kern_xxx.c, because it belongs to the
class of compat system information system calls, not the generic sysctl
code.
This commit is contained in:
ed 2008-12-29 19:24:00 +00:00
parent 80663b9001
commit 3f319ef66d
2 changed files with 208 additions and 212 deletions

View File

@ -1450,214 +1450,3 @@ userland_sysctl(struct thread *td, int *name, u_int namelen, void *old,
}
return (error);
}
#ifdef COMPAT_43
#include <sys/socket.h>
#include <vm/vm_param.h>
#define KINFO_PROC (0<<8)
#define KINFO_RT (1<<8)
#define KINFO_VNODE (2<<8)
#define KINFO_FILE (3<<8)
#define KINFO_METER (4<<8)
#define KINFO_LOADAVG (5<<8)
#define KINFO_CLOCKRATE (6<<8)
/* Non-standard BSDI extension - only present on their 4.3 net-2 releases */
#define KINFO_BSDI_SYSINFO (101<<8)
/*
* XXX this is bloat, but I hope it's better here than on the potentially
* limited kernel stack... -Peter
*/
static struct {
int bsdi_machine; /* "i386" on BSD/386 */
/* ^^^ this is an offset to the string, relative to the struct start */
char *pad0;
long pad1;
long pad2;
long pad3;
u_long pad4;
u_long pad5;
u_long pad6;
int bsdi_ostype; /* "BSD/386" on BSD/386 */
int bsdi_osrelease; /* "1.1" on BSD/386 */
long pad7;
long pad8;
char *pad9;
long pad10;
long pad11;
int pad12;
long pad13;
quad_t pad14;
long pad15;
struct timeval pad16;
/* we dont set this, because BSDI's uname used gethostname() instead */
int bsdi_hostname; /* hostname on BSD/386 */
/* the actual string data is appended here */
} bsdi_si;
/*
* this data is appended to the end of the bsdi_si structure during copyout.
* The "char *" offsets are relative to the base of the bsdi_si struct.
* This contains "FreeBSD\02.0-BUILT-nnnnnn\0i386\0", and these strings
* should not exceed the length of the buffer here... (or else!! :-)
*/
static char bsdi_strings[80]; /* It had better be less than this! */
#ifndef _SYS_SYSPROTO_H_
struct getkerninfo_args {
int op;
char *where;
size_t *size;
int arg;
};
#endif
int
ogetkerninfo(struct thread *td, struct getkerninfo_args *uap)
{
int error, name[6];
size_t size;
u_int needed = 0;
switch (uap->op & 0xff00) {
case KINFO_RT:
name[0] = CTL_NET;
name[1] = PF_ROUTE;
name[2] = 0;
name[3] = (uap->op & 0xff0000) >> 16;
name[4] = uap->op & 0xff;
name[5] = uap->arg;
error = userland_sysctl(td, name, 6, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_VNODE:
name[0] = CTL_KERN;
name[1] = KERN_VNODE;
error = userland_sysctl(td, name, 2, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_PROC:
name[0] = CTL_KERN;
name[1] = KERN_PROC;
name[2] = uap->op & 0xff;
name[3] = uap->arg;
error = userland_sysctl(td, name, 4, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_FILE:
name[0] = CTL_KERN;
name[1] = KERN_FILE;
error = userland_sysctl(td, name, 2, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_METER:
name[0] = CTL_VM;
name[1] = VM_TOTAL;
error = userland_sysctl(td, name, 2, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_LOADAVG:
name[0] = CTL_VM;
name[1] = VM_LOADAVG;
error = userland_sysctl(td, name, 2, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_CLOCKRATE:
name[0] = CTL_KERN;
name[1] = KERN_CLOCKRATE;
error = userland_sysctl(td, name, 2, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_BSDI_SYSINFO: {
/*
* this is pretty crude, but it's just enough for uname()
* from BSDI's 1.x libc to work.
*
* *size gives the size of the buffer before the call, and
* the amount of data copied after a successful call.
* If successful, the return value is the amount of data
* available, which can be larger than *size.
*
* BSDI's 2.x product apparently fails with ENOMEM if *size
* is too small.
*/
u_int left;
char *s;
bzero((char *)&bsdi_si, sizeof(bsdi_si));
bzero(bsdi_strings, sizeof(bsdi_strings));
s = bsdi_strings;
bsdi_si.bsdi_ostype = (s - bsdi_strings) + sizeof(bsdi_si);
strcpy(s, ostype);
s += strlen(s) + 1;
bsdi_si.bsdi_osrelease = (s - bsdi_strings) + sizeof(bsdi_si);
strcpy(s, osrelease);
s += strlen(s) + 1;
bsdi_si.bsdi_machine = (s - bsdi_strings) + sizeof(bsdi_si);
strcpy(s, machine);
s += strlen(s) + 1;
needed = sizeof(bsdi_si) + (s - bsdi_strings);
if ((uap->where == NULL) || (uap->size == NULL)) {
/* process is asking how much buffer to supply.. */
size = needed;
error = 0;
break;
}
if ((error = copyin(uap->size, &size, sizeof(size))) != 0)
break;
/* if too much buffer supplied, trim it down */
if (size > needed)
size = needed;
/* how much of the buffer is remaining */
left = size;
if ((error = copyout((char *)&bsdi_si, uap->where, left)) != 0)
break;
/* is there any point in continuing? */
if (left > sizeof(bsdi_si)) {
left -= sizeof(bsdi_si);
error = copyout(&bsdi_strings,
uap->where + sizeof(bsdi_si), left);
}
break;
}
default:
error = EOPNOTSUPP;
break;
}
if (error == 0) {
td->td_retval[0] = needed ? needed : size;
if (uap->size) {
error = copyout(&size, uap->size, sizeof(size));
}
}
return (error);
}
#endif /* COMPAT_43 */

View File

@ -42,10 +42,12 @@ __FBSDID("$FreeBSD$");
#include <sys/proc.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/utsname.h>
#include <sys/vimage.h>
#include <vm/vm_param.h>
#if defined(COMPAT_43)
@ -83,7 +85,6 @@ osethostname(td, uap)
register struct sethostname_args *uap;
{
int name[2];
int error;
name[0] = CTL_KERN;
name[1] = KERN_HOSTNAME;
@ -139,6 +140,212 @@ oquota(td, uap)
return (ENOSYS);
}
#define KINFO_PROC (0<<8)
#define KINFO_RT (1<<8)
#define KINFO_VNODE (2<<8)
#define KINFO_FILE (3<<8)
#define KINFO_METER (4<<8)
#define KINFO_LOADAVG (5<<8)
#define KINFO_CLOCKRATE (6<<8)
/* Non-standard BSDI extension - only present on their 4.3 net-2 releases */
#define KINFO_BSDI_SYSINFO (101<<8)
/*
* XXX this is bloat, but I hope it's better here than on the potentially
* limited kernel stack... -Peter
*/
static struct {
int bsdi_machine; /* "i386" on BSD/386 */
/* ^^^ this is an offset to the string, relative to the struct start */
char *pad0;
long pad1;
long pad2;
long pad3;
u_long pad4;
u_long pad5;
u_long pad6;
int bsdi_ostype; /* "BSD/386" on BSD/386 */
int bsdi_osrelease; /* "1.1" on BSD/386 */
long pad7;
long pad8;
char *pad9;
long pad10;
long pad11;
int pad12;
long pad13;
quad_t pad14;
long pad15;
struct timeval pad16;
/* we dont set this, because BSDI's uname used gethostname() instead */
int bsdi_hostname; /* hostname on BSD/386 */
/* the actual string data is appended here */
} bsdi_si;
/*
* this data is appended to the end of the bsdi_si structure during copyout.
* The "char *" offsets are relative to the base of the bsdi_si struct.
* This contains "FreeBSD\02.0-BUILT-nnnnnn\0i386\0", and these strings
* should not exceed the length of the buffer here... (or else!! :-)
*/
static char bsdi_strings[80]; /* It had better be less than this! */
#ifndef _SYS_SYSPROTO_H_
struct getkerninfo_args {
int op;
char *where;
size_t *size;
int arg;
};
#endif
int
ogetkerninfo(struct thread *td, struct getkerninfo_args *uap)
{
int error, name[6];
size_t size;
u_int needed = 0;
switch (uap->op & 0xff00) {
case KINFO_RT:
name[0] = CTL_NET;
name[1] = PF_ROUTE;
name[2] = 0;
name[3] = (uap->op & 0xff0000) >> 16;
name[4] = uap->op & 0xff;
name[5] = uap->arg;
error = userland_sysctl(td, name, 6, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_VNODE:
name[0] = CTL_KERN;
name[1] = KERN_VNODE;
error = userland_sysctl(td, name, 2, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_PROC:
name[0] = CTL_KERN;
name[1] = KERN_PROC;
name[2] = uap->op & 0xff;
name[3] = uap->arg;
error = userland_sysctl(td, name, 4, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_FILE:
name[0] = CTL_KERN;
name[1] = KERN_FILE;
error = userland_sysctl(td, name, 2, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_METER:
name[0] = CTL_VM;
name[1] = VM_TOTAL;
error = userland_sysctl(td, name, 2, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_LOADAVG:
name[0] = CTL_VM;
name[1] = VM_LOADAVG;
error = userland_sysctl(td, name, 2, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_CLOCKRATE:
name[0] = CTL_KERN;
name[1] = KERN_CLOCKRATE;
error = userland_sysctl(td, name, 2, uap->where, uap->size,
0, 0, 0, &size, 0);
break;
case KINFO_BSDI_SYSINFO: {
/*
* this is pretty crude, but it's just enough for uname()
* from BSDI's 1.x libc to work.
*
* *size gives the size of the buffer before the call, and
* the amount of data copied after a successful call.
* If successful, the return value is the amount of data
* available, which can be larger than *size.
*
* BSDI's 2.x product apparently fails with ENOMEM if *size
* is too small.
*/
u_int left;
char *s;
bzero((char *)&bsdi_si, sizeof(bsdi_si));
bzero(bsdi_strings, sizeof(bsdi_strings));
s = bsdi_strings;
bsdi_si.bsdi_ostype = (s - bsdi_strings) + sizeof(bsdi_si);
strcpy(s, ostype);
s += strlen(s) + 1;
bsdi_si.bsdi_osrelease = (s - bsdi_strings) + sizeof(bsdi_si);
strcpy(s, osrelease);
s += strlen(s) + 1;
bsdi_si.bsdi_machine = (s - bsdi_strings) + sizeof(bsdi_si);
strcpy(s, machine);
s += strlen(s) + 1;
needed = sizeof(bsdi_si) + (s - bsdi_strings);
if ((uap->where == NULL) || (uap->size == NULL)) {
/* process is asking how much buffer to supply.. */
size = needed;
error = 0;
break;
}
if ((error = copyin(uap->size, &size, sizeof(size))) != 0)
break;
/* if too much buffer supplied, trim it down */
if (size > needed)
size = needed;
/* how much of the buffer is remaining */
left = size;
if ((error = copyout((char *)&bsdi_si, uap->where, left)) != 0)
break;
/* is there any point in continuing? */
if (left > sizeof(bsdi_si)) {
left -= sizeof(bsdi_si);
error = copyout(&bsdi_strings,
uap->where + sizeof(bsdi_si), left);
}
break;
}
default:
error = EOPNOTSUPP;
break;
}
if (error == 0) {
td->td_retval[0] = needed ? needed : size;
if (uap->size) {
error = copyout(&size, uap->size, sizeof(size));
}
}
return (error);
}
#endif /* COMPAT_43 */
#ifdef COMPAT_FREEBSD4