396 lines
10 KiB
C
396 lines
10 KiB
C
/* $NetBSD: ibcs2_stat.c,v 1.26 2003/06/29 22:29:22 fvdl Exp $ */
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/*
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* Copyright (c) 1995, 1998 Scott Bartram
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ibcs2_stat.c,v 1.26 2003/06/29 22:29:22 fvdl Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/namei.h>
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#include <sys/proc.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <sys/filedesc.h>
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#include <sys/ioctl.h>
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#include <sys/kernel.h>
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#include <sys/mount.h>
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#include <sys/malloc.h>
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#include <sys/vnode.h>
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#include <sys/sa.h>
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#include <sys/syscallargs.h>
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#include <compat/ibcs2/ibcs2_types.h>
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#include <compat/ibcs2/ibcs2_fcntl.h>
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#include <compat/ibcs2/ibcs2_signal.h>
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#include <compat/ibcs2/ibcs2_stat.h>
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#include <compat/ibcs2/ibcs2_statfs.h>
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#include <compat/ibcs2/ibcs2_syscallargs.h>
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#include <compat/ibcs2/ibcs2_ustat.h>
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#include <compat/ibcs2/ibcs2_util.h>
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#include <compat/ibcs2/ibcs2_utsname.h>
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static void bsd_stat2ibcs_stat __P((struct stat *, struct ibcs2_stat *));
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static int cvt_statfs __P((struct statfs *, caddr_t, int));
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static int cvt_statvfs __P((struct statfs *, caddr_t, int));
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static void
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bsd_stat2ibcs_stat(st, st4)
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struct stat *st;
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struct ibcs2_stat *st4;
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{
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memset(st4, 0, sizeof(*st4));
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st4->st_dev = (ibcs2_dev_t)st->st_dev;
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st4->st_ino = (ibcs2_ino_t)st->st_ino;
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st4->st_mode = (ibcs2_mode_t)st->st_mode;
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if (st->st_nlink >= (1 << 15))
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st4->st_nlink = (1 << 15) - 1;
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else
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st4->st_nlink = (ibcs2_nlink_t)st->st_nlink;
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st4->st_uid = (ibcs2_uid_t)st->st_uid;
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st4->st_gid = (ibcs2_gid_t)st->st_gid;
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st4->st_rdev = (ibcs2_dev_t)st->st_rdev;
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st4->st_size = (ibcs2_off_t)st->st_size;
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st4->st_atim = (ibcs2_time_t)st->st_atime;
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st4->st_mtim = (ibcs2_time_t)st->st_mtime;
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st4->st_ctim = (ibcs2_time_t)st->st_ctime;
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}
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static int
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cvt_statfs(sp, buf, len)
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struct statfs *sp;
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caddr_t buf;
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int len;
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{
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struct ibcs2_statfs ssfs;
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if (len < 0)
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return (EINVAL);
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if (len > sizeof(ssfs))
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len = sizeof(ssfs);
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memset(&ssfs, 0, sizeof ssfs);
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ssfs.f_fstyp = 0;
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ssfs.f_bsize = sp->f_bsize;
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ssfs.f_frsize = 0;
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ssfs.f_blocks = sp->f_blocks;
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ssfs.f_bfree = sp->f_bfree;
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ssfs.f_files = sp->f_files;
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ssfs.f_ffree = sp->f_ffree;
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ssfs.f_fname[0] = 0;
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ssfs.f_fpack[0] = 0;
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return copyout((caddr_t)&ssfs, buf, len);
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}
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static int
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cvt_statvfs(sp, buf, len)
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struct statfs *sp;
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caddr_t buf;
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int len;
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{
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struct ibcs2_statvfs ssvfs;
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if (len < 0)
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return (EINVAL);
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if (len > sizeof(ssvfs))
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len = sizeof(ssvfs);
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memset(&ssvfs, 0, sizeof ssvfs);
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ssvfs.f_frsize = ssvfs.f_bsize = sp->f_bsize;
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ssvfs.f_blocks = sp->f_blocks;
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ssvfs.f_bfree = sp->f_bfree;
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ssvfs.f_bavail = sp->f_bavail;
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ssvfs.f_files = sp->f_files;
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ssvfs.f_ffree = sp->f_ffree;
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ssvfs.f_favail = sp->f_ffree;
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ssvfs.f_fsid = sp->f_fsid.val[0];
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strncpy(ssvfs.f_basetype, sp->f_fstypename, 15);
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ssvfs.f_flag = 0;
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ssvfs.f_namemax = PATH_MAX;
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ssvfs.f_fstr[0] = 0;
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return copyout((caddr_t)&ssvfs, buf, len);
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}
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int
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ibcs2_sys_statfs(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct ibcs2_sys_statfs_args /* {
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syscallarg(const char *) path;
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syscallarg(struct ibcs2_statfs *) buf;
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syscallarg(int) len;
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syscallarg(int) fstype;
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} */ *uap = v;
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struct proc *p = l->l_proc;
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struct mount *mp;
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struct statfs *sp;
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int error;
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struct nameidata nd;
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caddr_t sg = stackgap_init(p, 0);
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p);
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if ((error = namei(&nd)) != 0)
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return (error);
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mp = nd.ni_vp->v_mount;
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sp = &mp->mnt_stat;
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vrele(nd.ni_vp);
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if ((error = VFS_STATFS(mp, sp, p)) != 0)
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return (error);
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sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
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return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len));
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}
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int
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ibcs2_sys_fstatfs(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct ibcs2_sys_fstatfs_args /* {
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syscallarg(int) fd;
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syscallarg(struct ibcs2_statfs *) buf;
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syscallarg(int) len;
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syscallarg(int) fstype;
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} */ *uap = v;
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struct proc *p = l->l_proc;
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struct file *fp;
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struct mount *mp;
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struct statfs *sp;
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int error;
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/* getvnode() will use the descriptor for us */
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if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
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return (error);
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mp = ((struct vnode *)fp->f_data)->v_mount;
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sp = &mp->mnt_stat;
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if ((error = VFS_STATFS(mp, sp, p)) != 0)
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goto out;
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sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
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error = cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len));
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out:
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FILE_UNUSE(fp, p);
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return (error);
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}
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int
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ibcs2_sys_statvfs(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct ibcs2_sys_statvfs_args /* {
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syscallarg(const char *) path;
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syscallarg(struct ibcs2_statvfs *) buf;
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} */ *uap = v;
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struct proc *p = l->l_proc;
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struct mount *mp;
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struct statfs *sp;
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int error;
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struct nameidata nd;
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caddr_t sg = stackgap_init(p, 0);
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p);
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if ((error = namei(&nd)) != 0)
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return (error);
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mp = nd.ni_vp->v_mount;
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sp = &mp->mnt_stat;
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vrele(nd.ni_vp);
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if ((error = VFS_STATFS(mp, sp, p)) != 0)
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return (error);
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sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
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return cvt_statvfs(sp, (caddr_t)SCARG(uap, buf),
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sizeof(struct ibcs2_statvfs));
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}
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int
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ibcs2_sys_fstatvfs(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct ibcs2_sys_fstatvfs_args /* {
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syscallarg(int) fd;
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syscallarg(struct ibcs2_statvfs *) buf;
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} */ *uap = v;
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struct proc *p = l->l_proc;
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struct file *fp;
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struct mount *mp;
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struct statfs *sp;
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int error;
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/* getvnode() will use the descriptor for us */
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if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
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return (error);
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mp = ((struct vnode *)fp->f_data)->v_mount;
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sp = &mp->mnt_stat;
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if ((error = VFS_STATFS(mp, sp, p)) != 0)
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goto out;
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sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
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error = cvt_statvfs(sp, (caddr_t)SCARG(uap, buf),
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sizeof(struct ibcs2_statvfs));
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out:
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FILE_UNUSE(fp, p);
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return (error);
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}
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int
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ibcs2_sys_stat(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct ibcs2_sys_stat_args /* {
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syscallarg(const char *) path;
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syscallarg(struct ibcs2_stat *) st;
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} */ *uap = v;
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struct proc *p = l->l_proc;
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struct stat st;
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struct ibcs2_stat ibcs2_st;
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struct sys___stat13_args cup;
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int error;
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caddr_t sg = stackgap_init(p, 0);
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SCARG(&cup, ub) = stackgap_alloc(p, &sg, sizeof(st));
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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SCARG(&cup, path) = SCARG(uap, path);
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if ((error = sys___stat13(l, &cup, retval)) != 0)
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return error;
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if ((error = copyin(SCARG(&cup, ub), &st, sizeof(st))) != 0)
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return error;
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bsd_stat2ibcs_stat(&st, &ibcs2_st);
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return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st),
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ibcs2_stat_len);
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}
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int
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ibcs2_sys_lstat(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct ibcs2_sys_lstat_args /* {
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syscallarg(const char *) path;
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syscallarg(struct ibcs2_stat *) st;
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} */ *uap = v;
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struct proc *p = l->l_proc;
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struct stat st;
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struct ibcs2_stat ibcs2_st;
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struct sys___lstat13_args cup;
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int error;
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caddr_t sg = stackgap_init(p, 0);
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SCARG(&cup, ub) = stackgap_alloc(p, &sg, sizeof(st));
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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SCARG(&cup, path) = SCARG(uap, path);
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if ((error = sys___lstat13(l, &cup, retval)) != 0)
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return error;
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if ((error = copyin(SCARG(&cup, ub), &st, sizeof(st))) != 0)
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return error;
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bsd_stat2ibcs_stat(&st, &ibcs2_st);
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return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st),
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ibcs2_stat_len);
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}
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int
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ibcs2_sys_fstat(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct ibcs2_sys_fstat_args /* {
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syscallarg(int) fd;
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syscallarg(struct ibcs2_stat *) st;
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} */ *uap = v;
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struct proc *p = l->l_proc;
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struct stat st;
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struct ibcs2_stat ibcs2_st;
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struct sys___fstat13_args cup;
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int error;
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caddr_t sg = stackgap_init(p, 0);
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SCARG(&cup, fd) = SCARG(uap, fd);
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SCARG(&cup, sb) = stackgap_alloc(p, &sg, sizeof(st));
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if ((error = sys___fstat13(l, &cup, retval)) != 0)
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return error;
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if ((error = copyin(SCARG(&cup, sb), &st, sizeof(st))) != 0)
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return error;
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bsd_stat2ibcs_stat(&st, &ibcs2_st);
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return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st),
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ibcs2_stat_len);
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}
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int
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ibcs2_sys_utssys(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct ibcs2_sys_utssys_args /* {
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syscallarg(int) a1;
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syscallarg(int) a2;
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syscallarg(int) flag;
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} */ *uap = v;
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switch (SCARG(uap, flag)) {
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case 0: /* uname(struct utsname *) */
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{
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struct ibcs2_utsname sut;
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memset(&sut, 0, ibcs2_utsname_len);
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memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1);
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memcpy(sut.nodename, hostname, sizeof(sut.nodename));
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sut.nodename[sizeof(sut.nodename)-1] = '\0';
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memcpy(sut.release, osrelease, sizeof(sut.release) - 1);
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memcpy(sut.version, "1", sizeof(sut.version) - 1);
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memcpy(sut.machine, machine, sizeof(sut.machine) - 1);
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return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, a1),
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ibcs2_utsname_len);
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}
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case 2: /* ustat(dev_t, struct ustat *) */
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{
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struct ibcs2_ustat xu;
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xu.f_tfree = 20000; /* XXX fixme */
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xu.f_tinode = 32000;
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xu.f_fname[0] = 0;
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xu.f_fpack[0] = 0;
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return copyout((caddr_t)&xu, (caddr_t)SCARG(uap, a2),
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ibcs2_ustat_len);
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}
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default:
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return ENOSYS;
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}
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}
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