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NetBSD/sys/compat/svr4/svr4_stat.c

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/* $NetBSD: svr4_stat.c,v 1.11 1995/06/27 22:12:54 christos Exp $ */
/*
* Copyright (c) 1994 Christos Zoulas
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/proc.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/filedesc.h>
#include <sys/ioctl.h>
#include <sys/kernel.h>
#include <sys/mount.h>
#include <sys/malloc.h>
#include <sys/time.h>
#include <sys/ucred.h>
#include <vm/vm.h>
#include <sys/sysctl.h>
#include <sys/syscallargs.h>
#include <compat/svr4/svr4_types.h>
#include <compat/svr4/svr4_signal.h>
#include <compat/svr4/svr4_syscallargs.h>
#include <compat/svr4/svr4_util.h>
#include <compat/svr4/svr4_stat.h>
#include <compat/svr4/svr4_ustat.h>
#include <compat/svr4/svr4_fuser.h>
#include <compat/svr4/svr4_utsname.h>
#include <compat/svr4/svr4_systeminfo.h>
#define syscallarg(x) union { x datum; register_t pad; }
#ifdef sparc
/*
* Solaris-2.4 on the sparc has the old stat call using the new
* stat data structure...
*/
# define SVR4_NO_OSTAT
#endif
static void
bsd_to_svr4_stat(st, st4)
struct stat *st;
struct svr4_stat *st4;
{
bzero(st4, sizeof(*st4));
st4->st_dev = st->st_dev;
st4->st_ino = st->st_ino;
st4->st_mode = st->st_mode;
st4->st_nlink = st->st_nlink;
st4->st_uid = st->st_uid;
st4->st_gid = st->st_gid;
st4->st_rdev = st->st_rdev;
st4->st_size = st->st_size;
st4->st_atim = st->st_atimespec.ts_sec;
st4->st_mtim = st->st_mtimespec.ts_sec;
st4->st_ctim = st->st_ctimespec.ts_sec;
}
static void
bsd_to_svr4_xstat(st, st4)
struct stat *st;
struct svr4_xstat *st4;
{
bzero(st4, sizeof(*st4));
st4->st_dev = st->st_dev;
st4->st_ino = st->st_ino;
st4->st_mode = st->st_mode;
st4->st_nlink = st->st_nlink;
st4->st_uid = st->st_uid;
st4->st_gid = st->st_gid;
st4->st_rdev = st->st_rdev;
st4->st_size = st->st_size;
st4->st_atim = st->st_atimespec;
st4->st_mtim = st->st_mtimespec;
st4->st_ctim = st->st_ctimespec;
st4->st_blksize = st->st_blksize;
st4->st_blocks = st->st_blocks;
strcpy(st4->st_fstype, "unknown");
}
int
svr4_stat(p, uap, retval)
register struct proc *p;
register struct svr4_stat_args *uap;
register_t *retval;
{
#ifdef SVR4_NO_OSTAT
struct svr4_xstat_args cup;
SCARG(&cup, two) = 2;
SCARG(&cup, path) = SCARG(uap, path);
SCARG(&cup, ub) = (struct svr4_xstat *) SCARG(uap, ub);
return svr4_xstat(p, &cup, retval);
#else
struct stat st;
struct svr4_stat svr4_st;
struct stat_args cup;
int error;
caddr_t sg = stackgap_init(p->p_emul);
SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
SCARG(&cup, path) = SCARG(uap, path);
SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(struct stat));
if ((error = stat(p, &cup, retval)) != 0)
return error;
if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0)
return error;
bsd_to_svr4_stat(&st, &svr4_st);
if ((error = copyout(&svr4_st, SCARG(uap, ub), sizeof svr4_st)) != 0)
return error;
return 0;
#endif
}
int
svr4_lstat(p, uap, retval)
register struct proc *p;
register struct svr4_lstat_args *uap;
register_t *retval;
{
#ifdef SVR4_NO_OSTAT
struct svr4_lxstat_args cup;
SCARG(&cup, two) = 2;
SCARG(&cup, path) = SCARG(uap, path);
SCARG(&cup, ub) = (struct svr4_xstat *) SCARG(uap, ub);
return svr4_lxstat(p, &cup, retval);
#else
struct stat st;
struct svr4_stat svr4_st;
struct lstat_args cup;
int error;
caddr_t sg = stackgap_init(p->p_emul);
SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
SCARG(&cup, path) = SCARG(uap, path);
SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(struct stat));
if ((error = lstat(p, &cup, retval)) != 0)
return error;
if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0)
return error;
bsd_to_svr4_stat(&st, &svr4_st);
if ((error = copyout(&svr4_st, SCARG(uap, ub), sizeof svr4_st)) != 0)
return error;
return 0;
#endif
}
int
svr4_fstat(p, uap, retval)
register struct proc *p;
register struct svr4_fstat_args *uap;
register_t *retval;
{
#ifdef SVR4_NO_OSTAT
struct svr4_fxstat_args cup;
SCARG(&cup, two) = 2;
SCARG(&cup, fd) = SCARG(uap, fd);
SCARG(&cup, sb) = (struct svr4_xstat *) SCARG(uap, sb);
return svr4_fxstat(p, &cup, retval);
#else
struct stat st;
struct svr4_stat svr4_st;
struct fstat_args cup;
int error;
caddr_t sg = stackgap_init(p->p_emul);
SCARG(&cup, fd) = SCARG(uap, fd);
SCARG(&cup, sb) = stackgap_alloc(&sg, sizeof(struct stat));
if ((error = fstat(p, &cup, retval)) != 0)
return error;
if ((error = copyin(SCARG(&cup, sb), &st, sizeof st)) != 0)
return error;
bsd_to_svr4_stat(&st, &svr4_st);
if ((error = copyout(&svr4_st, SCARG(uap, sb), sizeof svr4_st)) != 0)
return error;
return 0;
#endif
}
int
svr4_xstat(p, uap, retval)
register struct proc *p;
register struct svr4_xstat_args *uap;
register_t *retval;
{
struct stat st;
struct svr4_xstat svr4_st;
struct stat_args cup;
int error;
caddr_t sg = stackgap_init(p->p_emul);
SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
SCARG(&cup, path) = SCARG(uap, path);
SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(struct stat));
if ((error = stat(p, &cup, retval)) != 0)
return error;
if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0)
return error;
bsd_to_svr4_xstat(&st, &svr4_st);
if ((error = copyout(&svr4_st, SCARG(uap, ub), sizeof svr4_st)) != 0)
return error;
return 0;
}
int
svr4_lxstat(p, uap, retval)
register struct proc *p;
register struct svr4_lxstat_args *uap;
register_t *retval;
{
struct stat st;
struct svr4_xstat svr4_st;
struct lstat_args cup;
int error;
caddr_t sg = stackgap_init(p->p_emul);
SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
SCARG(&cup, path) = SCARG(uap, path);
SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(struct stat));
if ((error = lstat(p, &cup, retval)) != 0)
return error;
if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0)
return error;
bsd_to_svr4_xstat(&st, &svr4_st);
if ((error = copyout(&svr4_st, SCARG(uap, ub), sizeof svr4_st)) != 0)
return error;
return 0;
}
int
svr4_fxstat(p, uap, retval)
register struct proc *p;
register struct svr4_fxstat_args *uap;
register_t *retval;
{
struct stat st;
struct svr4_xstat svr4_st;
struct fstat_args cup;
int error;
caddr_t sg = stackgap_init(p->p_emul);
SCARG(&cup, fd) = SCARG(uap, fd);
SCARG(&cup, sb) = stackgap_alloc(&sg, sizeof(struct stat));
if ((error = fstat(p, &cup, retval)) != 0)
return error;
if ((error = copyin(SCARG(&cup, sb), &st, sizeof st)) != 0)
return error;
bsd_to_svr4_xstat(&st, &svr4_st);
if ((error = copyout(&svr4_st, SCARG(uap, sb), sizeof svr4_st)) != 0)
return error;
return 0;
}
struct svr4_ustat_args {
syscallarg(svr4_dev_t) dev;
syscallarg(struct svr4_ustat *) name;
};
int
svr4_ustat(p, uap, retval)
register struct proc *p;
register struct svr4_ustat_args *uap;
register_t *retval;
{
struct svr4_ustat us;
int error;
bzero(&us, sizeof us);
/*
* XXX: should set f_tfree and f_tinode at least
* How do we translate dev -> fstat? (and then to svr4_ustat)
*/
if (error = copyout(&us, SCARG(uap, name), sizeof us))
return (error);
return 0;
}
int
svr4_uname(p, uap, retval)
register struct proc *p;
register struct svr4_uname_args *uap;
register_t *retval;
{
struct svr4_utsname sut;
extern char ostype[], hostname[], osrelease[], version[], machine[];
bzero(&sut, sizeof(sut));
strncpy(sut.sysname, ostype, sizeof(sut.sysname));
sut.sysname[sizeof(sut.sysname) - 1] = '\0';
strncpy(sut.nodename, hostname, sizeof(sut.nodename));
sut.nodename[sizeof(sut.nodename) - 1] = '\0';
strncpy(sut.release, osrelease, sizeof(sut.release));
sut.release[sizeof(sut.release) - 1] = '\0';
strncpy(sut.version, version, sizeof(sut.version));
sut.version[sizeof(sut.version) - 1] = '\0';
strncpy(sut.machine, machine, sizeof(sut.machine));
sut.machine[sizeof(sut.machine) - 1] = '\0';
return copyout((caddr_t) &sut, (caddr_t) SCARG(uap, name),
sizeof(struct svr4_utsname));
}
int
svr4_systeminfo(p, uap, retval)
register struct proc *p;
register struct svr4_systeminfo_args *uap;
register_t *retval;
{
char *str;
int name;
int error;
long len;
extern char ostype[], hostname[], osrelease[],
version[], machine[], domainname[];
u_int rlen = SCARG(uap, len);
switch (SCARG(uap, what)) {
case SVR4_SI_SYSNAME:
str = ostype;
break;
case SVR4_SI_HOSTNAME:
str = hostname;
break;
case SVR4_SI_RELEASE:
str = osrelease;
break;
case SVR4_SI_VERSION:
str = version;
break;
case SVR4_SI_MACHINE:
str = machine;
break;
case SVR4_SI_ARCHITECTURE:
str = machine;
break;
case SVR4_SI_HW_SERIAL:
str = "0";
break;
case SVR4_SI_HW_PROVIDER:
str = ostype;
break;
case SVR4_SI_SRPC_DOMAIN:
str = domainname;
break;
case SVR4_SI_SET_HOSTNAME:
if (error = suser(p->p_ucred, &p->p_acflag))
return error;
name = KERN_HOSTNAME;
return kern_sysctl(&name, 1, 0, 0, SCARG(uap, buf), rlen);
case SVR4_SI_SET_SRPC_DOMAIN:
if (error = suser(p->p_ucred, &p->p_acflag))
return error;
name = KERN_DOMAINNAME;
return kern_sysctl(&name, 1, 0, 0, SCARG(uap, buf), rlen);
default:
DPRINTF(("Bad systeminfo command %d\n", SCARG(uap, what)));
return ENOSYS;
}
len = strlen(str) + 1;
if (len > rlen)
len = rlen;
return copyout(str, SCARG(uap, buf), len);
}
int
svr4_utssys(p, uap, retval)
register struct proc *p;
register struct svr4_utssys_args *uap;
register_t *retval;
{
switch (SCARG(uap, sel)) {
case 0: /* uname(2) */
{
struct svr4_uname_args ua;
SCARG(&ua, name) = SCARG(uap, a1);
return svr4_uname(p, &ua, retval);
}
case 2: /* ustat(2) */
{
struct svr4_ustat_args ua;
SCARG(&ua, dev) = (svr4_dev_t) SCARG(uap, a2);
SCARG(&ua, name) = SCARG(uap, a1);
return svr4_ustat(p, &ua, retval);
}
case 3: /* fusers(2) */
return ENOSYS;
default:
return ENOSYS;
}
return ENOSYS;
}
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