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netbsd32_compat_30.c revision 1.5.2.3
      1  1.5.2.3  elad /*	$NetBSD: netbsd32_compat_30.c,v 1.5.2.3 2006/05/12 23:06:36 elad Exp $	*/
      2  1.5.2.2  elad 
      3  1.5.2.2  elad /*
      4  1.5.2.2  elad  * Copyright (c) 1998, 2001 Matthew R. Green
      5  1.5.2.2  elad  * All rights reserved.
      6  1.5.2.2  elad  *
      7  1.5.2.2  elad  * Redistribution and use in source and binary forms, with or without
      8  1.5.2.2  elad  * modification, are permitted provided that the following conditions
      9  1.5.2.2  elad  * are met:
     10  1.5.2.2  elad  * 1. Redistributions of source code must retain the above copyright
     11  1.5.2.2  elad  *    notice, this list of conditions and the following disclaimer.
     12  1.5.2.2  elad  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.5.2.2  elad  *    notice, this list of conditions and the following disclaimer in the
     14  1.5.2.2  elad  *    documentation and/or other materials provided with the distribution.
     15  1.5.2.2  elad  * 3. The name of the author may not be used to endorse or promote products
     16  1.5.2.2  elad  *    derived from this software without specific prior written permission.
     17  1.5.2.2  elad  *
     18  1.5.2.2  elad  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  1.5.2.2  elad  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  1.5.2.2  elad  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  1.5.2.2  elad  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  1.5.2.2  elad  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23  1.5.2.2  elad  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  1.5.2.2  elad  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25  1.5.2.2  elad  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  1.5.2.2  elad  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  1.5.2.2  elad  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  1.5.2.2  elad  * SUCH DAMAGE.
     29  1.5.2.2  elad  */
     30  1.5.2.2  elad 
     31  1.5.2.2  elad #include <sys/cdefs.h>
     32  1.5.2.3  elad __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_30.c,v 1.5.2.3 2006/05/12 23:06:36 elad Exp $");
     33  1.5.2.2  elad 
     34  1.5.2.2  elad #include <sys/param.h>
     35  1.5.2.2  elad #include <sys/systm.h>
     36  1.5.2.2  elad #include <sys/malloc.h>
     37  1.5.2.2  elad #include <sys/mount.h>
     38  1.5.2.2  elad #include <sys/socket.h>
     39  1.5.2.2  elad #include <sys/socketvar.h>
     40  1.5.2.2  elad #include <sys/stat.h>
     41  1.5.2.2  elad #include <sys/time.h>
     42  1.5.2.2  elad #include <sys/ktrace.h>
     43  1.5.2.2  elad #include <sys/resourcevar.h>
     44  1.5.2.2  elad #include <sys/vnode.h>
     45  1.5.2.2  elad #include <sys/file.h>
     46  1.5.2.2  elad #include <sys/filedesc.h>
     47  1.5.2.2  elad #include <sys/namei.h>
     48  1.5.2.2  elad #include <sys/sa.h>
     49  1.5.2.2  elad #include <sys/statvfs.h>
     50  1.5.2.2  elad #include <sys/syscallargs.h>
     51  1.5.2.2  elad #include <sys/proc.h>
     52  1.5.2.2  elad #include <sys/dirent.h>
     53  1.5.2.3  elad #include <sys/kauth.h>
     54  1.5.2.2  elad 
     55  1.5.2.2  elad #include <compat/netbsd32/netbsd32.h>
     56  1.5.2.2  elad #include <compat/netbsd32/netbsd32_syscallargs.h>
     57  1.5.2.2  elad #include <compat/netbsd32/netbsd32_conv.h>
     58  1.5.2.2  elad 
     59  1.5.2.2  elad 
     60  1.5.2.2  elad int
     61  1.5.2.2  elad netbsd32_getdents(l, v, retval)
     62  1.5.2.2  elad 	struct lwp *l;
     63  1.5.2.2  elad 	void *v;
     64  1.5.2.2  elad 	register_t *retval;
     65  1.5.2.2  elad {
     66  1.5.2.2  elad 	struct netbsd32_getdents_args /* {
     67  1.5.2.2  elad 		syscallarg(int) fd;
     68  1.5.2.2  elad 		syscallarg(netbsd32_charp) buf;
     69  1.5.2.2  elad 		syscallarg(netbsd32_size_t) count;
     70  1.5.2.2  elad 	} */ *uap = v;
     71  1.5.2.2  elad 	struct file *fp;
     72  1.5.2.2  elad 	int error, done;
     73  1.5.2.2  elad 	char  *buf;
     74  1.5.2.2  elad 	struct proc *p = l->l_proc;
     75  1.5.2.2  elad 
     76  1.5.2.2  elad 	/* getvnode() will use the descriptor for us */
     77  1.5.2.2  elad 	if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
     78  1.5.2.2  elad 		return (error);
     79  1.5.2.2  elad 	if ((fp->f_flag & FREAD) == 0) {
     80  1.5.2.2  elad 		error = EBADF;
     81  1.5.2.2  elad 		goto out;
     82  1.5.2.2  elad 	}
     83  1.5.2.2  elad 	buf = malloc(SCARG(uap, count), M_TEMP, M_WAITOK);
     84  1.5.2.2  elad 	error = vn_readdir(fp, buf,
     85  1.5.2.2  elad 	    UIO_SYSSPACE, SCARG(uap, count), &done, l, 0, 0);
     86  1.5.2.2  elad 	if (error == 0) {
     87  1.5.2.2  elad 		*retval = netbsd32_to_dirent12(buf, done);
     88  1.5.2.2  elad 		error = copyout(buf, NETBSD32PTR64(SCARG(uap, buf)), *retval);
     89  1.5.2.2  elad 	}
     90  1.5.2.2  elad 	free(buf, M_TEMP);
     91  1.5.2.2  elad  out:
     92  1.5.2.2  elad 	FILE_UNUSE(fp, l);
     93  1.5.2.2  elad 	return (error);
     94  1.5.2.2  elad }
     95  1.5.2.2  elad 
     96  1.5.2.2  elad int
     97  1.5.2.2  elad netbsd32___stat13(l, v, retval)
     98  1.5.2.2  elad 	struct lwp *l;
     99  1.5.2.2  elad 	void *v;
    100  1.5.2.2  elad 	register_t *retval;
    101  1.5.2.2  elad {
    102  1.5.2.2  elad 	struct netbsd32___stat13_args /* {
    103  1.5.2.2  elad 		syscallarg(const netbsd32_charp) path;
    104  1.5.2.2  elad 		syscallarg(netbsd32_stat13p_t) ub;
    105  1.5.2.2  elad 	} */ *uap = v;
    106  1.5.2.2  elad 	struct netbsd32_stat13 sb32;
    107  1.5.2.2  elad 	struct stat sb;
    108  1.5.2.2  elad 	int error;
    109  1.5.2.2  elad 	struct nameidata nd;
    110  1.5.2.2  elad 	caddr_t sg;
    111  1.5.2.2  elad 	const char *path;
    112  1.5.2.2  elad 	struct proc *p = l->l_proc;
    113  1.5.2.2  elad 
    114  1.5.2.2  elad 	path = (char *)NETBSD32PTR64(SCARG(uap, path));
    115  1.5.2.2  elad 	sg = stackgap_init(p, 0);
    116  1.5.2.2  elad 	CHECK_ALT_EXIST(l, &sg, path);
    117  1.5.2.2  elad 
    118  1.5.2.2  elad 	NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE, path, l);
    119  1.5.2.2  elad 	if ((error = namei(&nd)) != 0)
    120  1.5.2.2  elad 		return (error);
    121  1.5.2.2  elad 	error = vn_stat(nd.ni_vp, &sb, l);
    122  1.5.2.2  elad 	vput(nd.ni_vp);
    123  1.5.2.2  elad 	if (error)
    124  1.5.2.2  elad 		return (error);
    125  1.5.2.2  elad 	netbsd32_from___stat13(&sb, &sb32);
    126  1.5.2.2  elad 	error = copyout(&sb32, (caddr_t)NETBSD32PTR64(SCARG(uap, ub)),
    127  1.5.2.2  elad 	    sizeof(sb32));
    128  1.5.2.2  elad 	return (error);
    129  1.5.2.2  elad }
    130  1.5.2.2  elad 
    131  1.5.2.2  elad int
    132  1.5.2.2  elad netbsd32___fstat13(l, v, retval)
    133  1.5.2.2  elad 	struct lwp *l;
    134  1.5.2.2  elad 	void *v;
    135  1.5.2.2  elad 	register_t *retval;
    136  1.5.2.2  elad {
    137  1.5.2.2  elad 	struct netbsd32___fstat13_args /* {
    138  1.5.2.2  elad 		syscallarg(int) fd;
    139  1.5.2.2  elad 		syscallarg(netbsd32_stat13p_t) sb;
    140  1.5.2.2  elad 	} */ *uap = v;
    141  1.5.2.2  elad 	int fd = SCARG(uap, fd);
    142  1.5.2.2  elad 	struct proc *p = l->l_proc;
    143  1.5.2.2  elad 	struct filedesc *fdp = p->p_fd;
    144  1.5.2.2  elad 	struct file *fp;
    145  1.5.2.2  elad 	struct netbsd32_stat13 sb32;
    146  1.5.2.2  elad 	struct stat ub;
    147  1.5.2.2  elad 	int error = 0;
    148  1.5.2.2  elad 
    149  1.5.2.2  elad 	if ((fp = fd_getfile(fdp, fd)) == NULL)
    150  1.5.2.2  elad 		return (EBADF);
    151  1.5.2.2  elad 
    152  1.5.2.2  elad 	FILE_USE(fp);
    153  1.5.2.2  elad 	error = (*fp->f_ops->fo_stat)(fp, &ub, l);
    154  1.5.2.2  elad 	FILE_UNUSE(fp, l);
    155  1.5.2.2  elad 
    156  1.5.2.2  elad 	if (error == 0) {
    157  1.5.2.2  elad 		netbsd32_from___stat13(&ub, &sb32);
    158  1.5.2.2  elad 		error = copyout(&sb32, (caddr_t)NETBSD32PTR64(SCARG(uap, sb)),
    159  1.5.2.2  elad 		    sizeof(sb32));
    160  1.5.2.2  elad 	}
    161  1.5.2.2  elad 	return (error);
    162  1.5.2.2  elad }
    163  1.5.2.2  elad 
    164  1.5.2.2  elad int
    165  1.5.2.2  elad netbsd32___lstat13(l, v, retval)
    166  1.5.2.2  elad 	struct lwp *l;
    167  1.5.2.2  elad 	void *v;
    168  1.5.2.2  elad 	register_t *retval;
    169  1.5.2.2  elad {
    170  1.5.2.2  elad 	struct netbsd32___lstat13_args /* {
    171  1.5.2.2  elad 		syscallarg(const netbsd32_charp) path;
    172  1.5.2.2  elad 		syscallarg(netbsd32_stat13p_t) ub;
    173  1.5.2.2  elad 	} */ *uap = v;
    174  1.5.2.2  elad 	struct netbsd32_stat13 sb32;
    175  1.5.2.2  elad 	struct stat sb;
    176  1.5.2.2  elad 	int error;
    177  1.5.2.2  elad 	struct nameidata nd;
    178  1.5.2.2  elad 	caddr_t sg;
    179  1.5.2.2  elad 	const char *path;
    180  1.5.2.2  elad 	struct proc *p = l->l_proc;
    181  1.5.2.2  elad 
    182  1.5.2.2  elad 	path = (char *)NETBSD32PTR64(SCARG(uap, path));
    183  1.5.2.2  elad 	sg = stackgap_init(p, 0);
    184  1.5.2.2  elad 	CHECK_ALT_EXIST(l, &sg, path);
    185  1.5.2.2  elad 
    186  1.5.2.2  elad 	NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF, UIO_USERSPACE, path, l);
    187  1.5.2.2  elad 	if ((error = namei(&nd)) != 0)
    188  1.5.2.2  elad 		return (error);
    189  1.5.2.2  elad 	error = vn_stat(nd.ni_vp, &sb, l);
    190  1.5.2.2  elad 	vput(nd.ni_vp);
    191  1.5.2.2  elad 	if (error)
    192  1.5.2.2  elad 		return (error);
    193  1.5.2.2  elad 	netbsd32_from___stat13(&sb, &sb32);
    194  1.5.2.2  elad 	error = copyout(&sb32, (caddr_t)NETBSD32PTR64(SCARG(uap, ub)),
    195  1.5.2.2  elad 	    sizeof(sb32));
    196  1.5.2.2  elad 	return (error);
    197  1.5.2.2  elad }
    198  1.5.2.2  elad 
    199  1.5.2.2  elad int
    200  1.5.2.2  elad compat_30_netbsd32_fhstat(l, v, retval)
    201  1.5.2.2  elad 	struct lwp *l;
    202  1.5.2.2  elad 	void *v;
    203  1.5.2.2  elad 	register_t *retval;
    204  1.5.2.2  elad {
    205  1.5.2.2  elad 	struct compat_30_netbsd32_fhstat_args /* {
    206  1.5.2.2  elad 		syscallarg(const netbsd32_fhandlep_t) fhp;
    207  1.5.2.2  elad 		syscallarg(netbsd32_stat13p_t) sb);
    208  1.5.2.2  elad 	} */ *uap = v;
    209  1.5.2.2  elad 	struct proc *p = l->l_proc;
    210  1.5.2.2  elad 	struct stat sb;
    211  1.5.2.2  elad 	struct netbsd32_stat13 sb32;
    212  1.5.2.2  elad 	int error;
    213  1.5.2.2  elad 	fhandle_t fh;
    214  1.5.2.2  elad 	struct mount *mp;
    215  1.5.2.2  elad 	struct vnode *vp;
    216  1.5.2.2  elad 
    217  1.5.2.2  elad 	/*
    218  1.5.2.2  elad 	 * Must be super user
    219  1.5.2.2  elad 	 */
    220  1.5.2.3  elad 	if ((error = kauth_authorize_generic(p->p_cred, KAUTH_GENERIC_ISSUSER,
    221  1.5.2.3  elad 	    &p->p_acflag)))
    222  1.5.2.2  elad 		return (error);
    223  1.5.2.2  elad 
    224  1.5.2.2  elad 	if ((error = copyin(NETBSD32PTR64(SCARG(uap, fhp)), &fh,
    225  1.5.2.2  elad 	    sizeof(fhandle_t))) != 0)
    226  1.5.2.2  elad 		return (error);
    227  1.5.2.2  elad 
    228  1.5.2.2  elad 	if ((mp = vfs_getvfs(&fh.fh_fsid)) == NULL)
    229  1.5.2.2  elad 		return (ESTALE);
    230  1.5.2.2  elad 	if (mp->mnt_op->vfs_fhtovp == NULL)
    231  1.5.2.2  elad 		return EOPNOTSUPP;
    232  1.5.2.2  elad 	if ((error = VFS_FHTOVP(mp, &fh.fh_fid, &vp)))
    233  1.5.2.2  elad 		return (error);
    234  1.5.2.2  elad 	error = vn_stat(vp, &sb, l);
    235  1.5.2.2  elad 	vput(vp);
    236  1.5.2.2  elad 	if (error)
    237  1.5.2.2  elad 		return (error);
    238  1.5.2.2  elad 	netbsd32_from___stat13(&sb, &sb32);
    239  1.5.2.2  elad 	error = copyout(&sb32, NETBSD32PTR64(SCARG(uap, sb)), sizeof(sb));
    240  1.5.2.2  elad 	return (error);
    241  1.5.2.2  elad }
    242