142 lines
3.5 KiB
C
142 lines
3.5 KiB
C
/* $NetBSD: darwin_ioctl.c,v 1.12 2009/01/11 02:45:47 christos Exp $ */
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/*-
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* Copyright (c) 2003, 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Emmanuel Dreyfus.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: darwin_ioctl.c,v 1.12 2009/01/11 02:45:47 christos Exp $");
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mount.h>
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#include <sys/file.h>
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#include <sys/filedesc.h>
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#include <sys/dirent.h>
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#include <sys/vnode.h>
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#include <sys/proc.h>
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#include <sys/syscallargs.h>
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#include <compat/sys/signal.h>
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#include <compat/mach/mach_types.h>
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#include <compat/mach/mach_vm.h>
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#include <compat/darwin/darwin_types.h>
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#include <compat/darwin/darwin_audit.h>
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#include <compat/darwin/darwin_ioctl.h>
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#include <compat/darwin/darwin_syscallargs.h>
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static int vtype_to_dtype(int);
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int
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darwin_sys_ioctl(struct lwp *l, const struct darwin_sys_ioctl_args *uap, register_t *retval)
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{
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/* {
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syscallarg(int) fd;
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syscallarg(u_long) com;
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syscallarg(void *) data;
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} */
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struct sys_ioctl_args cup;
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int error;
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switch (SCARG(uap, com)) {
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case DARWIN_FIODTYPE: { /* Get file d_type */
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file_t *fp;
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struct vnode *vp;
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int *data = SCARG(uap, data);
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int type;
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/* fd_getvnode() will use the descriptor for us */
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if ((error = fd_getvnode(SCARG(uap, fd), &fp)))
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return (error);
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vp = fp->f_data;
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type = vtype_to_dtype(vp->v_type);
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fd_putfile(SCARG(uap, fd));
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error = copyout(&type, data, sizeof(*data));
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return error;
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break;
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}
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default:
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/* Try native ioctl */
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break;
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}
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SCARG(&cup, fd) = SCARG(uap, fd);
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SCARG(&cup, com) = SCARG(uap, com);
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SCARG(&cup, data) = SCARG(uap, data);
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error = sys_ioctl(l, &cup, retval);
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return error;
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}
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static int
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vtype_to_dtype(int dtype)
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{
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switch (dtype) {
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case VNON:
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return DT_UNKNOWN;
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break;
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case VREG:
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return DT_REG;
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break;
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case VDIR:
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return DT_DIR;
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break;
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case VBLK:
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return DT_BLK;
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break;
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case VCHR:
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return DT_CHR;
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break;
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case VLNK:
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return DT_LNK;
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break;
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case VSOCK:
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return DT_SOCK;
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break;
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case VFIFO:
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return DT_FIFO;
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break;
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case VBAD:
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return DT_WHT;
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break;
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default:
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break;
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}
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return DT_UNKNOWN;
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}
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