1212 lines
33 KiB
C
1212 lines
33 KiB
C
/* $NetBSD: mach_iokit.c,v 1.36 2008/04/28 20:23:44 martin Exp $ */
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/*-
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* Copyright (c) 2003 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 "opt_compat_darwin.h"
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: mach_iokit.c,v 1.36 2008/04/28 20:23:44 martin 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/malloc.h>
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#include <sys/signal.h>
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#include <sys/mount.h>
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#include <sys/proc.h>
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#include <sys/ktrace.h>
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#include <sys/device.h>
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#include <compat/mach/mach_types.h>
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#include <compat/mach/mach_message.h>
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#include <compat/mach/mach_port.h>
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#include <compat/mach/mach_errno.h>
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#include <compat/mach/mach_iokit.h>
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#include <compat/mach/mach_services.h>
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#ifdef COMPAT_DARWIN
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#include <compat/darwin/darwin_iokit.h>
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#endif
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struct mach_iokit_devclass mach_ioroot_devclass = {
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"(unknwon)",
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{ NULL },
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"<dict ID=\"0\"></dict>",
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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"Root",
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NULL,
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};
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struct mach_iokit_devclass *mach_iokit_devclasses[] = {
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&mach_ioroot_devclass,
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#ifdef COMPAT_DARWIN
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DARWIN_IOKIT_DEVCLASSES
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#endif
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NULL,
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};
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static int mach_fill_child_iterator(struct mach_device_iterator *, int, int,
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struct mach_iokit_devclass *);
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static int mach_fill_parent_iterator(struct mach_device_iterator *, int, int,
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struct mach_iokit_devclass *);
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int
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mach_io_service_get_matching_services(struct mach_trap_args *args)
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{
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mach_io_service_get_matching_services_request_t *req = args->smsg;
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mach_io_service_get_matching_services_reply_t *rep = args->rmsg;
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size_t *msglen = args->rsize;
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struct lwp *l = args->l;
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struct mach_port *mp;
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struct mach_right *mr;
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struct mach_iokit_devclass *mid;
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struct mach_device_iterator *mdi;
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size_t size;
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int end_offset;
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int i;
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/* Sanity check req_size */
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end_offset = req->req_size;
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if (MACH_REQMSG_OVERFLOW(args, req->req_string[end_offset]))
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return mach_msg_error(args, EINVAL);
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mp = mach_port_get();
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mp->mp_flags |= MACH_MP_INKERNEL;
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mr = mach_right_get(mp, l, MACH_PORT_TYPE_SEND, 0);
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mp->mp_data = NULL;
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i = 0;
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while ((mid = mach_iokit_devclasses[i++]) != NULL) {
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if (memcmp(req->req_string, mid->mid_string,
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req->req_size) == 0) {
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mp->mp_datatype = MACH_MP_DEVICE_ITERATOR;
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size = sizeof(*mdi)
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+ sizeof(struct mach_device_iterator *);
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mdi = malloc(size, M_EMULDATA, M_WAITOK);
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mdi->mdi_devices[0] = mid;
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mdi->mdi_devices[1] = NULL;
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mdi->mdi_current = 0;
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mp->mp_data = mdi;
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break;
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}
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}
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if (mp->mp_data == NULL)
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return mach_iokit_error(args, MACH_IOKIT_ENOENT);
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*msglen = sizeof(*rep);
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mach_set_header(rep, req, *msglen);
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mach_add_port_desc(rep, mr->mr_name);
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mach_set_trailer(rep, *msglen);
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return 0;
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}
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int
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mach_io_iterator_next(struct mach_trap_args *args)
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{
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mach_io_iterator_next_request_t *req = args->smsg;
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mach_io_iterator_next_reply_t *rep = args->rmsg;
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size_t *msglen = args->rsize;
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struct lwp *l = args->l;
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struct mach_port *mp;
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struct mach_right *mr;
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struct mach_device_iterator *mdi;
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mach_port_t mn;
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mn = req->req_msgh.msgh_remote_port;
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if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
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return mach_iokit_error(args, MACH_IOKIT_EPERM);
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if (mr->mr_port->mp_datatype != MACH_MP_DEVICE_ITERATOR)
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return mach_iokit_error(args, MACH_IOKIT_EINVAL);
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mdi = mr->mr_port->mp_data;
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/* Is there something coming next? */
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if (mdi->mdi_devices[mdi->mdi_current] == NULL)
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return mach_iokit_error(args, MACH_IOKIT_EINVAL);
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mp = mach_port_get();
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mp->mp_flags |= MACH_MP_INKERNEL;
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mp->mp_datatype = MACH_MP_IOKIT_DEVCLASS;
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mp->mp_data = mdi->mdi_devices[mdi->mdi_current++];
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mr = mach_right_get(mp, l, MACH_PORT_TYPE_SEND, 0);
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*msglen = sizeof(*rep);
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mach_set_header(rep, req, *msglen);
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mach_add_port_desc(rep, mr->mr_name);
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mach_set_trailer(rep, *msglen);
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return 0;
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}
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int
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mach_io_service_open(struct mach_trap_args *args)
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{
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mach_io_service_open_request_t *req = args->smsg;
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mach_io_service_open_reply_t *rep = args->rmsg;
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size_t *msglen = args->rsize;
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struct lwp *l = args->l;
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struct mach_port *mp;
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struct mach_right *mr;
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mach_port_t mn;
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mn = req->req_msgh.msgh_remote_port;
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if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
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return mach_iokit_error(args, MACH_IOKIT_EPERM);
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mp = mach_port_get();
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mp->mp_flags |= MACH_MP_INKERNEL;
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if (mr->mr_port->mp_datatype == MACH_MP_IOKIT_DEVCLASS) {
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mp->mp_datatype = MACH_MP_IOKIT_DEVCLASS;
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mp->mp_data = mr->mr_port->mp_data;
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}
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mr = mach_right_get(mp, l, MACH_PORT_TYPE_SEND, 0);
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*msglen = sizeof(*rep);
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mach_set_header(rep, req, *msglen);
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mach_add_port_desc(rep, mr->mr_name);
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mach_set_trailer(rep, *msglen);
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return 0;
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}
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int
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mach_io_connect_method_scalari_scalaro(struct mach_trap_args *args)
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{
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mach_io_connect_method_scalari_scalaro_request_t *req = args->smsg;
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struct lwp *l = args->l;
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mach_port_t mn;
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struct mach_right *mr;
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struct mach_iokit_devclass *mid;
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int end_offset, outcount;
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/*
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* Sanity check req_incount
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* the +1 gives us the last field of the message, req_outcount
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*/
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end_offset = req->req_incount +
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(sizeof(req->req_outcount) / sizeof(req->req_in[0]));
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if (MACH_REQMSG_OVERFLOW(args, req->req_in[end_offset]))
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return mach_msg_error(args, EINVAL);
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/* Sanity check req->req_outcount */
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outcount = req->req_in[req->req_incount];
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if (outcount > 16)
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return mach_msg_error(args, EINVAL);
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mn = req->req_msgh.msgh_remote_port;
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if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
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return mach_iokit_error(args, MACH_IOKIT_EPERM);
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if (mr->mr_port->mp_datatype == MACH_MP_IOKIT_DEVCLASS) {
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mid = mr->mr_port->mp_data;
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if (mid->mid_connect_method_scalari_scalaro == NULL)
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printf("no connect_method_scalari_scalaro method "
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"for darwin_iokit_class %s\n", mid->mid_name);
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else
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return (mid->mid_connect_method_scalari_scalaro)(args);
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}
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return mach_iokit_error(args, MACH_IOKIT_ENODEV);
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}
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int
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mach_io_connect_get_service(struct mach_trap_args *args)
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{
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mach_io_connect_get_service_request_t *req = args->smsg;
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mach_io_connect_get_service_reply_t *rep = args->rmsg;
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size_t *msglen = args->rsize;
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struct lwp *l = args->l;
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struct mach_port *mp;
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struct mach_right *mr;
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mach_port_t mn;
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mn = req->req_msgh.msgh_remote_port;
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if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
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return mach_iokit_error(args, MACH_IOKIT_EPERM);
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mp = mach_port_get();
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mp->mp_flags |= MACH_MP_INKERNEL;
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if (mr->mr_port->mp_datatype == MACH_MP_IOKIT_DEVCLASS) {
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mp->mp_datatype = MACH_MP_IOKIT_DEVCLASS;
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mp->mp_data = mr->mr_port->mp_data;
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}
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mr = mach_right_get(mp, l, MACH_PORT_TYPE_SEND, 0);
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/*
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* XXX Bump the refcount to workaround an emulation bug
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* that causes Windowserver to release the port too early.
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*/
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mr->mr_refcount++;
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*msglen = sizeof(*rep);
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mach_set_header(rep, req, *msglen);
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mach_add_port_desc(rep, mr->mr_name);
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mach_set_trailer(rep, *msglen);
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return 0;
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}
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int
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mach_io_registry_entry_create_iterator(struct mach_trap_args *args)
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{
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mach_io_registry_entry_create_iterator_request_t *req = args->smsg;
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mach_io_registry_entry_create_iterator_reply_t *rep = args->rmsg;
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size_t *msglen = args->rsize;
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struct lwp *l = args->l;
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struct mach_port *mp;
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mach_port_t mn;
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struct mach_right *mr;
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struct mach_iokit_devclass *mid;
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struct mach_device_iterator *mdi;
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struct mach_iokit_devclass **midp;
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int maxdev, index;
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size_t size;
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int end_offset;
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/*
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* req_planeoffset is not used.
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* Sanity check req_planecount
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*/
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end_offset = req->req_planecount +
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(sizeof(req->req_options) / sizeof(req->req_plane[0]));
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if (MACH_REQMSG_OVERFLOW(args, req->req_plane[end_offset]))
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return mach_msg_error(args, EINVAL);
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mn = req->req_msgh.msgh_remote_port;
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if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
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return mach_iokit_error(args, MACH_IOKIT_EPERM);
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if (mr->mr_port->mp_datatype != MACH_MP_IOKIT_DEVCLASS)
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return mach_iokit_error(args, MACH_IOKIT_EINVAL);
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mid = (struct mach_iokit_devclass *)mr->mr_port->mp_data;
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mp = mach_port_get();
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mp->mp_flags |= (MACH_MP_INKERNEL | MACH_MP_DATA_ALLOCATED);
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mp->mp_datatype = MACH_MP_DEVICE_ITERATOR;
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maxdev = sizeof(mach_iokit_devclasses);
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size = sizeof(*mdi) + (maxdev * sizeof(struct mach_iokit_devclass *));
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mdi = malloc(size, M_EMULDATA, M_WAITOK);
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mp->mp_data = mdi;
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if (req->req_options & MACH_IOKIT_PARENT_ITERATOR)
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index = mach_fill_parent_iterator(mdi, maxdev, 0, mid);
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else
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index = mach_fill_child_iterator(mdi, maxdev, 0, mid);
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/* XXX This is untested */
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if (req->req_options & MACH_IOKIT_RECURSIVE_ITERATOR) {
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for (midp = mdi->mdi_devices; *midp != NULL; midp++) {
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if (req->req_options & MACH_IOKIT_PARENT_ITERATOR)
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index = mach_fill_parent_iterator(mdi,
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maxdev, index, *midp);
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else
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index = mach_fill_child_iterator(mdi,
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maxdev, index, *midp);
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}
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}
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mdi->mdi_current = 0;
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mr = mach_right_get(mp, l, MACH_PORT_TYPE_SEND, 0);
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#ifdef DEBUG_MACH
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printf("io_registry_entry_create_iterator\n");
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#endif
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*msglen = sizeof(*rep);
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mach_set_header(rep, req, *msglen);
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mach_add_port_desc(rep, mr->mr_name);
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mach_set_trailer(rep, *msglen);
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return 0;
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}
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int
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mach_io_object_conforms_to(struct mach_trap_args *args)
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{
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mach_io_object_conforms_to_request_t *req = args->smsg;
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mach_io_object_conforms_to_reply_t *rep = args->rmsg;
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size_t *msglen = args->rsize;
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int end_offset;
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/*
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* req_classnameoffset is not used.
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* Sanity check req_classnamecount.
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*/
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end_offset = req->req_classnamecount;
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if (MACH_REQMSG_OVERFLOW(args, req->req_classname[end_offset]))
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return mach_msg_error(args, EINVAL);
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#ifdef DEBUG_DARWIN
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uprintf("Unimplemented mach_io_object_conforms_to\n");
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#endif
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*msglen = sizeof(*rep);
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mach_set_header(rep, req, *msglen);
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rep->rep_conforms = 1; /* XXX */
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mach_set_trailer(rep, *msglen);
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return 0;
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}
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int
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mach_io_service_add_interest_notification(struct mach_trap_args *args)
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{
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mach_io_service_add_interest_notification_request_t *req = args->smsg;
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mach_io_service_add_interest_notification_reply_t *rep = args->rmsg;
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size_t *msglen = args->rsize;
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struct lwp *l = args->l;
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struct mach_port *mp;
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struct mach_right *mr;
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int end_offset, refcount_offset;
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int item_size, refitem_size, refcount;
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/*
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* req_typeofinterestoffset is not used.
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* Sanity checks: first check refcount is not
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* outside the message. NB: it is word aligned
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*/
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refcount_offset = (req->req_typeofinterestcount & ~0x3UL) + 4;
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if (MACH_REQMSG_OVERFLOW(args,
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req->req_typeofinterest[refcount_offset]))
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return mach_msg_error(args, EINVAL);
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refcount = req->req_typeofinterest[refcount_offset];
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/*
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* Sanity check typeofinterestcount and refcount
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*/
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item_size = sizeof(req->req_typeofinterest[0]);
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refitem_size = sizeof(req->req_ref[0]);
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end_offset = req->req_typeofinterestcount +
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(sizeof(refcount) / item_size) +
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(refcount * refitem_size / item_size);
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if (MACH_REQMSG_OVERFLOW(args, req->req_typeofinterest[end_offset]))
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return mach_msg_error(args, EINVAL);
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mp = mach_port_get();
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mp->mp_flags |= MACH_MP_INKERNEL;
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mr = mach_right_get(mp, l, MACH_PORT_TYPE_SEND, 0);
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#ifdef DEBUG_DARWIN
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uprintf("Unimplemented mach_io_service_add_interest_notification\n");
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#endif
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*msglen = sizeof(*rep);
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mach_set_header(rep, req, *msglen);
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mach_add_port_desc(rep, mr->mr_name);
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mach_set_trailer(rep, *msglen);
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return 0;
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}
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int
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mach_io_connect_set_notification_port(struct mach_trap_args *args)
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{
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mach_io_connect_set_notification_port_request_t *req = args->smsg;
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mach_io_connect_set_notification_port_reply_t *rep = args->rmsg;
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struct lwp *l = args->l;
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size_t *msglen = args->rsize;
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mach_port_t mnn, mn;
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struct mach_right *mrn;
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struct mach_right *mr;
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struct mach_iokit_devclass *mid;
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#ifdef DEBUG_DARWIN
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printf("mach_io_connect_set_notification_port\n");
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#endif
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mnn = req->req_port.name;
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if ((mrn = mach_right_check(mnn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
|
|
return mach_msg_error(args, EINVAL);
|
|
|
|
mn = req->req_msgh.msgh_remote_port;
|
|
if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
|
|
return mach_msg_error(args, EINVAL);
|
|
|
|
if (mr->mr_port->mp_datatype != MACH_MP_IOKIT_DEVCLASS)
|
|
return mach_msg_error(args, EINVAL);
|
|
|
|
#ifdef DEBUG_DARWIN
|
|
printf("notification on right %p, name %x\n", mrn, mrn->mr_name);
|
|
#endif
|
|
mid = (struct mach_iokit_devclass *)mr->mr_port->mp_data;
|
|
mid->mid_notify = mrn;
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
|
|
rep->rep_retval = 0;
|
|
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_registry_get_root_entry(struct mach_trap_args *args)
|
|
{
|
|
mach_io_registry_get_root_entry_request_t *req = args->smsg;
|
|
mach_io_registry_get_root_entry_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
struct lwp *l = args->l;
|
|
struct mach_port *mp;
|
|
struct mach_right *mr;
|
|
|
|
mp = mach_port_get();
|
|
mp->mp_flags |= MACH_MP_INKERNEL;
|
|
mp->mp_datatype = MACH_MP_IOKIT_DEVCLASS;
|
|
mp->mp_data = &mach_ioroot_devclass;
|
|
|
|
mr = mach_right_get(mp, l, MACH_PORT_TYPE_SEND, 0);
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
mach_add_port_desc(rep, mr->mr_name);
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_registry_entry_get_child_iterator(struct mach_trap_args *args)
|
|
{
|
|
mach_io_registry_entry_get_child_iterator_request_t *req = args->smsg;
|
|
mach_io_registry_entry_get_child_iterator_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
struct lwp *l = args->l;
|
|
struct mach_port *mp;
|
|
struct mach_right *mr;
|
|
mach_port_t mn;
|
|
struct mach_iokit_devclass *mid;
|
|
struct mach_device_iterator *mdi;
|
|
int maxdev;
|
|
size_t size;
|
|
int end_offset;
|
|
|
|
/*
|
|
* req_planeoffset is not used.
|
|
* Sanity check req_planecount.
|
|
*/
|
|
end_offset = req->req_planecount;
|
|
if (MACH_REQMSG_OVERFLOW(args, req->req_plane[end_offset]))
|
|
return mach_msg_error(args, EINVAL);
|
|
|
|
mn = req->req_msgh.msgh_remote_port;
|
|
if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
|
|
return mach_iokit_error(args, MACH_IOKIT_EPERM);
|
|
if (mr->mr_port->mp_datatype != MACH_MP_IOKIT_DEVCLASS)
|
|
return mach_iokit_error(args, MACH_IOKIT_EINVAL);
|
|
mid = (struct mach_iokit_devclass *)mr->mr_port->mp_data;
|
|
|
|
mp = mach_port_get();
|
|
mp->mp_flags |= (MACH_MP_INKERNEL | MACH_MP_DATA_ALLOCATED);
|
|
mp->mp_datatype = MACH_MP_DEVICE_ITERATOR;
|
|
|
|
maxdev = sizeof(mach_iokit_devclasses);
|
|
size = sizeof(*mdi) + (maxdev * sizeof(struct mach_iokit_devclass *));
|
|
mdi = malloc(size, M_EMULDATA, M_WAITOK);
|
|
mp->mp_data = mdi;
|
|
|
|
(void)mach_fill_child_iterator(mdi, maxdev, 0, mid);
|
|
mdi->mdi_current = 0;
|
|
|
|
mr = mach_right_get(mp, l, MACH_PORT_TYPE_SEND, 0);
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
mach_add_port_desc(rep, mr->mr_name);
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_registry_entry_get_name_in_plane(struct mach_trap_args *args)
|
|
{
|
|
mach_io_registry_entry_get_name_in_plane_request_t *req = args->smsg;
|
|
mach_io_registry_entry_get_name_in_plane_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
struct lwp *l = args->l;
|
|
struct mach_right *mr;
|
|
mach_port_t mn;
|
|
struct mach_iokit_devclass *mid;
|
|
int end_offset;
|
|
|
|
/*
|
|
* req_planeoffset is not used.
|
|
* Sanity check req_planecount.
|
|
*/
|
|
end_offset = req->req_planecount;
|
|
if (MACH_REQMSG_OVERFLOW(args, req->req_plane[end_offset]))
|
|
return mach_msg_error(args, EINVAL);
|
|
|
|
mn = req->req_msgh.msgh_remote_port;
|
|
if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
|
|
return mach_iokit_error(args, MACH_IOKIT_EPERM);
|
|
if (mr->mr_port->mp_datatype != MACH_MP_IOKIT_DEVCLASS)
|
|
return mach_iokit_error(args, MACH_IOKIT_EINVAL);
|
|
mid = mr->mr_port->mp_data;
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
|
|
rep->rep_namecount = strlen(mid->mid_name);
|
|
if (rep->rep_namecount >= 128)
|
|
rep->rep_namecount = 128;
|
|
memcpy(&rep->rep_name, mid->mid_name, rep->rep_namecount);
|
|
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_object_get_class(struct mach_trap_args *args)
|
|
{
|
|
mach_io_object_get_class_request_t *req = args->smsg;
|
|
mach_io_object_get_class_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
char classname[] = "unknownClass";
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
|
|
/* XXX Just return a dummy name for now */
|
|
rep->rep_namecount = strlen(classname);
|
|
if (rep->rep_namecount >= 128)
|
|
rep->rep_namecount = 128;
|
|
memcpy(&rep->rep_name, classname, rep->rep_namecount);
|
|
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_registry_entry_get_location_in_plane(struct mach_trap_args *args)
|
|
{
|
|
mach_io_registry_entry_get_location_in_plane_request_t *req =
|
|
args->smsg;
|
|
mach_io_registry_entry_get_location_in_plane_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
char location[] = "";
|
|
int end_offset;
|
|
|
|
/*
|
|
* req_nameoffset is not used.
|
|
* Sanity check req_namecount.
|
|
*/
|
|
end_offset = req->req_namecount;
|
|
if (MACH_REQMSG_OVERFLOW(args, req->req_plane[end_offset]))
|
|
return mach_msg_error(args, EINVAL);
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
|
|
/* XXX Just return a dummy name for now */
|
|
rep->rep_locationcount = sizeof(location);
|
|
memcpy(&rep->rep_location, location, sizeof(location));
|
|
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_registry_entry_get_properties(struct mach_trap_args *args)
|
|
{
|
|
mach_io_registry_entry_get_properties_request_t *req = args->smsg;
|
|
mach_io_registry_entry_get_properties_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
struct lwp *l = args->l;
|
|
int error;
|
|
void *uaddr;
|
|
size_t size;
|
|
mach_port_t mn;
|
|
struct mach_right *mr;
|
|
struct mach_iokit_devclass *mid;
|
|
|
|
mn = req->req_msgh.msgh_remote_port;
|
|
if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
|
|
return mach_iokit_error(args, MACH_IOKIT_EPERM);
|
|
|
|
if (mr->mr_port->mp_datatype != MACH_MP_IOKIT_DEVCLASS)
|
|
return mach_iokit_error(args, MACH_IOKIT_EINVAL);
|
|
|
|
mid = mr->mr_port->mp_data;
|
|
if (mid->mid_properties == NULL)
|
|
return mach_iokit_error(args, MACH_IOKIT_EINVAL);
|
|
size = strlen(mid->mid_properties) + 1; /* Include trailing zero */
|
|
|
|
if ((error = mach_ool_copyout(l,
|
|
mid->mid_properties, &uaddr, size, MACH_OOL_TRACE)) != 0) {
|
|
#ifdef DEBUG_MACH
|
|
printf("pid %d.%d: copyout iokit properties failed\n",
|
|
l->l_proc->p_pid, l->l_lid);
|
|
#endif
|
|
}
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
mach_add_ool_desc(rep, uaddr, size);
|
|
|
|
rep->rep_count = size;
|
|
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_registry_entry_get_property(struct mach_trap_args *args)
|
|
{
|
|
mach_io_registry_entry_get_property_request_t *req = args->smsg;
|
|
mach_io_registry_entry_get_property_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
struct lwp *l = args->l;
|
|
int error;
|
|
void *uaddr;
|
|
size_t size;
|
|
mach_port_t mn;
|
|
struct mach_right *mr;
|
|
struct mach_iokit_devclass *mid;
|
|
struct mach_iokit_property *mip;
|
|
int end_offset;
|
|
|
|
/*
|
|
* req_property_nameoffset is not used.
|
|
* Sanity check req_property_namecount.
|
|
*/
|
|
end_offset = req->req_property_namecount;
|
|
if (MACH_REQMSG_OVERFLOW(args, req->req_property_name[end_offset]))
|
|
return mach_iokit_error(args, MACH_IOKIT_EINVAL);
|
|
|
|
/* Find the port */
|
|
mn = req->req_msgh.msgh_remote_port;
|
|
if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
|
|
return mach_iokit_error(args, MACH_IOKIT_EPERM);
|
|
|
|
/* Find the devclass information */
|
|
if (mr->mr_port->mp_datatype != MACH_MP_IOKIT_DEVCLASS)
|
|
return mach_iokit_error(args, MACH_IOKIT_EINVAL);
|
|
|
|
mid = mr->mr_port->mp_data;
|
|
if (mid->mid_properties_array == NULL)
|
|
return mach_iokit_error(args, MACH_IOKIT_EINVAL);
|
|
|
|
/* Lookup the property name */
|
|
for (mip = mid->mid_properties_array; mip->mip_name; mip++)
|
|
if (memcmp(mip->mip_name, req->req_property_name,
|
|
req->req_property_namecount) == 0)
|
|
break;
|
|
|
|
if (mip->mip_value == NULL)
|
|
return mach_iokit_error(args, MACH_IOKIT_ENOENT);
|
|
size = strlen(mip->mip_value) + 1; /* Include trailing zero */
|
|
|
|
/* And copyout its associated value */
|
|
if ((error = mach_ool_copyout(l,
|
|
mip->mip_value, &uaddr, size, MACH_OOL_TRACE)) != 0) {
|
|
#ifdef DEBUG_MACH
|
|
printf("pid %d.%d: copyout iokit property failed\n",
|
|
l->l_proc->p_pid, l->l_lid);
|
|
#endif
|
|
}
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
mach_add_ool_desc(rep, uaddr, size);
|
|
|
|
rep->rep_properties_count = size;
|
|
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_registry_entry_get_path(struct mach_trap_args *args)
|
|
{
|
|
mach_io_registry_entry_get_path_request_t *req = args->smsg;
|
|
mach_io_registry_entry_get_path_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
char location[] = ":/GossamerPE/pci@80000000/AppleGracklePCI/"
|
|
"ATY,264LT-G@11/.Display_Video_ATI_mach64-01018002/"
|
|
"display0/AppleBacklightDisplay";
|
|
char *cp;
|
|
size_t len, plen;
|
|
int end_offset;
|
|
|
|
/*
|
|
* req_offset is not used.
|
|
* Sanity check req_count.
|
|
*/
|
|
end_offset = req->req_count;
|
|
if (MACH_REQMSG_OVERFLOW(args, req->req_plane[end_offset]))
|
|
return mach_iokit_error(args, MACH_IOKIT_EINVAL);
|
|
|
|
/* XXX Just return a dummy name for now */
|
|
len = req->req_count + strlen(location) - 1;
|
|
|
|
/* Sanity check for len */
|
|
if (len > 512)
|
|
return mach_iokit_error(args, MACH_IOKIT_EINVAL);
|
|
plen = (len & ~0x3UL) + 4; /* Round to an int */
|
|
|
|
*msglen = sizeof(*rep) + (plen - 512);
|
|
mach_set_header(rep, req, *msglen);
|
|
|
|
rep->rep_retval = 0;
|
|
rep->rep_count = len;
|
|
|
|
cp = &rep->rep_path[0];
|
|
memcpy(cp, &req->req_plane, req->req_count);
|
|
cp += (req->req_count - 1); /* overwrite trailing \0 */
|
|
memcpy(cp, location, strlen(location));
|
|
cp += strlen(location);
|
|
*cp = '\0';
|
|
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_connect_map_memory(struct mach_trap_args *args)
|
|
{
|
|
mach_io_connect_map_memory_request_t *req = args->smsg;
|
|
struct lwp *l = args->l;
|
|
mach_port_t mn;
|
|
struct mach_right *mr;
|
|
struct mach_iokit_devclass *mid;
|
|
|
|
mn = req->req_msgh.msgh_remote_port;
|
|
if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
|
|
return mach_iokit_error(args, MACH_IOKIT_EPERM);
|
|
|
|
if (mr->mr_port->mp_datatype == MACH_MP_IOKIT_DEVCLASS) {
|
|
mid = mr->mr_port->mp_data;
|
|
if (mid->mid_connect_map_memory == NULL)
|
|
printf("no connect_map_memory method "
|
|
"for darwin_iokit_class %s\n", mid->mid_name);
|
|
else
|
|
return (mid->mid_connect_map_memory)(args);
|
|
}
|
|
|
|
return mach_iokit_error(args, MACH_IOKIT_ENODEV);
|
|
}
|
|
|
|
int
|
|
mach_io_iterator_reset(struct mach_trap_args *args)
|
|
{
|
|
mach_io_iterator_reset_request_t *req = args->smsg;
|
|
mach_io_iterator_reset_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
struct lwp *l = args->l;
|
|
mach_port_t mn;
|
|
struct mach_right *mr;
|
|
struct mach_device_iterator *mdi;
|
|
|
|
mn = req->req_msgh.msgh_remote_port;
|
|
if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
|
|
return mach_iokit_error(args, MACH_IOKIT_EPERM);
|
|
|
|
if (mr->mr_port->mp_datatype != MACH_MP_DEVICE_ITERATOR)
|
|
return mach_iokit_error(args, MACH_IOKIT_EINVAL);
|
|
|
|
mdi = mr->mr_port->mp_data;
|
|
mdi->mdi_current = 0;
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
|
|
rep->rep_retval = 0;
|
|
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_connect_method_scalari_structo(struct mach_trap_args *args)
|
|
{
|
|
mach_io_connect_method_scalari_structo_request_t *req = args->smsg;
|
|
struct lwp *l = args->l;
|
|
mach_port_t mn;
|
|
struct mach_right *mr;
|
|
struct mach_iokit_devclass *mid;
|
|
int end_offset;
|
|
|
|
/* Sanity check req_incount */
|
|
end_offset = req->req_incount +
|
|
(sizeof(req->req_outcount) / sizeof(req->req_in[0]));
|
|
if (MACH_REQMSG_OVERFLOW(args, req->req_in[end_offset]))
|
|
return mach_msg_error(args, EINVAL);
|
|
|
|
/* Sanity check req_outcount */
|
|
if (req->req_outcount > 4096)
|
|
return mach_msg_error(args, EINVAL);
|
|
|
|
mn = req->req_msgh.msgh_remote_port;
|
|
if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
|
|
return mach_iokit_error(args, MACH_IOKIT_EPERM);
|
|
|
|
if (mr->mr_port->mp_datatype == MACH_MP_IOKIT_DEVCLASS) {
|
|
mid = mr->mr_port->mp_data;
|
|
if (mid->mid_connect_method_scalari_structo == NULL)
|
|
printf("no connect_method_scalari_structo method "
|
|
"for darwin_iokit_class %s\n", mid->mid_name);
|
|
else
|
|
return (mid->mid_connect_method_scalari_structo)(args);
|
|
}
|
|
|
|
return mach_iokit_error(args, MACH_IOKIT_ENODEV);
|
|
}
|
|
|
|
int
|
|
mach_io_connect_method_structi_structo(struct mach_trap_args *args)
|
|
{
|
|
mach_io_connect_method_structi_structo_request_t *req = args->smsg;
|
|
struct lwp *l = args->l;
|
|
mach_port_t mn;
|
|
struct mach_right *mr;
|
|
struct mach_iokit_devclass *mid;
|
|
int end_offset;
|
|
int outcount;
|
|
|
|
/* Sanity check req_incount */
|
|
end_offset = req->req_incount +
|
|
(sizeof(req->req_outcount) / sizeof(req->req_in[0]));
|
|
if (MACH_REQMSG_OVERFLOW(args, req->req_in[end_offset]))
|
|
return mach_msg_error(args, EINVAL);
|
|
|
|
/* Sanity check outcount. It is word aligned */
|
|
outcount = req->req_in[(req->req_incount & ~0x3UL) + 4];
|
|
if (outcount > 4096)
|
|
return mach_msg_error(args, EINVAL);
|
|
|
|
mn = req->req_msgh.msgh_remote_port;
|
|
if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
|
|
return mach_iokit_error(args, MACH_IOKIT_EPERM);
|
|
|
|
if (mr->mr_port->mp_datatype == MACH_MP_IOKIT_DEVCLASS) {
|
|
mid = mr->mr_port->mp_data;
|
|
if (mid->mid_connect_method_structi_structo == NULL)
|
|
printf("no connect_method_structi_structo method "
|
|
"for darwin_iokit_class %s\n", mid->mid_name);
|
|
else
|
|
return (mid->mid_connect_method_structi_structo)(args);
|
|
}
|
|
|
|
return mach_iokit_error(args, MACH_IOKIT_ENODEV);
|
|
}
|
|
|
|
int
|
|
mach_io_connect_set_properties(struct mach_trap_args *args)
|
|
{
|
|
mach_io_connect_set_properties_request_t *req = args->smsg;
|
|
mach_io_connect_set_properties_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
|
|
#ifdef DEBUG_MACH
|
|
uprintf("Unimplemented mach_io_connect_set_properties\n");
|
|
#endif
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_service_close(struct mach_trap_args *args)
|
|
{
|
|
mach_io_service_close_request_t *req = args->smsg;
|
|
mach_io_service_close_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
|
|
#ifdef DEBUG_MACH
|
|
uprintf("Unimplemented mach_io_service_close\n");
|
|
#endif
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
|
|
rep->rep_retval = 0;
|
|
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_connect_add_client(struct mach_trap_args *args)
|
|
{
|
|
mach_io_connect_add_client_request_t *req = args->smsg;
|
|
mach_io_connect_add_client_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
|
|
#ifdef DEBUG_MACH
|
|
uprintf("Unimplemented mach_io_connect_add_client\n");
|
|
#endif
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
|
|
rep->rep_retval = 0;
|
|
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_connect_method_scalari_structi(struct mach_trap_args *args)
|
|
{
|
|
mach_io_connect_method_scalari_structi_request_t *req = args->smsg;
|
|
struct lwp *l = args->l;
|
|
mach_port_t mn;
|
|
struct mach_right *mr;
|
|
struct mach_iokit_devclass *mid;
|
|
int end_offset;
|
|
int scalar_size, struct_size, instructcount;
|
|
|
|
/* Sanity check req_incount and get instructcount */
|
|
if (MACH_REQMSG_OVERFLOW(args, req->req_in[req->req_incount]))
|
|
return mach_msg_error(args, EINVAL);
|
|
instructcount = req->req_in[req->req_incount];
|
|
|
|
/* Sanity check instructcount */
|
|
scalar_size = sizeof(req->req_in[0]);
|
|
struct_size = sizeof(req->req_instruct[0]);
|
|
end_offset = req->req_incount +
|
|
(sizeof(instructcount) / scalar_size) +
|
|
(instructcount * struct_size / scalar_size);
|
|
if (MACH_REQMSG_OVERFLOW(args, req->req_in[end_offset]))
|
|
return mach_msg_error(args, EINVAL);
|
|
|
|
mn = req->req_msgh.msgh_remote_port;
|
|
if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
|
|
return mach_iokit_error(args, MACH_IOKIT_EPERM);
|
|
|
|
if (mr->mr_port->mp_datatype == MACH_MP_IOKIT_DEVCLASS) {
|
|
mid = mr->mr_port->mp_data;
|
|
if (mid->mid_connect_method_scalari_structi == NULL)
|
|
printf("no connect_method_scalari_structi method "
|
|
"for darwin_iokit_class %s\n", mid->mid_name);
|
|
else
|
|
return (mid->mid_connect_method_scalari_structi)(args);
|
|
}
|
|
|
|
return mach_iokit_error(args, MACH_IOKIT_ENODEV);
|
|
}
|
|
|
|
int
|
|
mach_io_registry_entry_from_path(struct mach_trap_args *args)
|
|
{
|
|
mach_io_registry_entry_from_path_request_t *req = args->smsg;
|
|
mach_io_registry_entry_from_path_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
struct lwp *l = args->l;
|
|
struct mach_port *mp;
|
|
struct mach_right *mr;
|
|
struct mach_iokit_devclass *mid;
|
|
int i, len;
|
|
int end_offset;
|
|
|
|
/*
|
|
* req_pathoffset is not used.
|
|
* Sanity check req_pathcount.
|
|
*/
|
|
end_offset = req->req_pathcount;
|
|
if (MACH_REQMSG_OVERFLOW(args, req->req_path[end_offset]))
|
|
return mach_msg_error(args, EINVAL);
|
|
|
|
#ifdef DEBUG_MACH
|
|
printf("mach_io_registry_entry_from_path: path = %s\n", req->req_path);
|
|
#endif
|
|
|
|
mp = mach_port_get();
|
|
mp->mp_flags |= MACH_MP_INKERNEL;
|
|
mr = mach_right_get(mp, l, MACH_PORT_TYPE_SEND, 0);
|
|
|
|
i = 0;
|
|
while ((mid = mach_iokit_devclasses[i++]) != NULL) {
|
|
len = strlen(mid->mid_name);
|
|
#ifdef DEBUG_MACH
|
|
printf("trying \"%s\" vs \"%s\"\n",
|
|
&req->req_path[req->req_pathcount - 1 - len],
|
|
mid->mid_name);
|
|
#endif
|
|
if (memcmp(&req->req_path[req->req_pathcount - 1 - len],
|
|
mid->mid_name, len) == 0) {
|
|
mp->mp_datatype = MACH_MP_IOKIT_DEVCLASS;
|
|
mp->mp_data = mid;
|
|
break;
|
|
}
|
|
}
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
mach_add_port_desc(rep, mr->mr_name);
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
mach_io_registry_entry_get_parent_iterator(struct mach_trap_args *args)
|
|
{
|
|
mach_io_registry_entry_get_parent_iterator_request_t *req = args->smsg;
|
|
mach_io_registry_entry_get_parent_iterator_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
struct lwp *l = args->l;
|
|
struct mach_port *mp;
|
|
struct mach_right *mr;
|
|
struct mach_iokit_devclass *mid;
|
|
struct mach_device_iterator *mdi;
|
|
mach_port_t mn;
|
|
int maxdev;
|
|
size_t size;
|
|
int end_offset;
|
|
|
|
/*
|
|
* req_offset is unused
|
|
* Sanity check req_count
|
|
*/
|
|
end_offset = req->req_count;
|
|
if (MACH_REQMSG_OVERFLOW(args, req->req_plane[end_offset]))
|
|
return mach_msg_error(args, EINVAL);
|
|
|
|
#ifdef DEBUG_MACH
|
|
printf("mach_io_registry_entry_get_parent_iterator: plane = %s\n",
|
|
req->req_plane);
|
|
#endif
|
|
|
|
mn = req->req_msgh.msgh_remote_port;
|
|
if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
|
|
return mach_iokit_error(args, MACH_IOKIT_EPERM);
|
|
|
|
if (mr->mr_port->mp_datatype != MACH_MP_IOKIT_DEVCLASS)
|
|
return mach_iokit_error(args, MACH_IOKIT_EINVAL);
|
|
mid = mr->mr_port->mp_data;
|
|
|
|
mp = mach_port_get();
|
|
mp->mp_flags |= (MACH_MP_INKERNEL | MACH_MP_DATA_ALLOCATED);
|
|
mp->mp_datatype = MACH_MP_DEVICE_ITERATOR;
|
|
|
|
maxdev = sizeof(mach_iokit_devclasses);
|
|
size = sizeof(*mdi) + (maxdev * sizeof(struct mach_iokit_devclass *));
|
|
mdi = malloc(size, M_EMULDATA, M_WAITOK);
|
|
mp->mp_data = mdi;
|
|
|
|
(void)mach_fill_parent_iterator(mdi, maxdev, 0, mid);
|
|
mdi->mdi_current = 0;
|
|
|
|
mr = mach_right_get(mp, l, MACH_PORT_TYPE_SEND, 0);
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
mach_add_port_desc(rep, mr->mr_name);
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
mach_iokit_cleanup_notify(struct mach_right *mr)
|
|
{
|
|
int i;
|
|
struct mach_iokit_devclass *mid;
|
|
|
|
i = 0;
|
|
while ((mid = mach_iokit_devclasses[i++]) != NULL)
|
|
if (mid->mid_notify == mr)
|
|
mid->mid_notify = NULL;
|
|
|
|
return;
|
|
}
|
|
|
|
static int
|
|
mach_fill_child_iterator(struct mach_device_iterator *mdi, int size, int index, struct mach_iokit_devclass *mid)
|
|
{
|
|
struct mach_iokit_devclass **midp;
|
|
struct mach_iokit_devclass **midq;
|
|
|
|
for (midp = mach_iokit_devclasses; *midp != NULL; midp++) {
|
|
for (midq = (*midp)->mid_parent; *midq != NULL; midq++) {
|
|
if (*midq == mid) {
|
|
mdi->mdi_devices[index++] = *midp;
|
|
break;
|
|
}
|
|
}
|
|
#ifdef DIAGNOSTIC
|
|
if (index >= size) {
|
|
printf("mach_device_iterator overflow\n");
|
|
break;
|
|
}
|
|
#endif
|
|
}
|
|
mdi->mdi_devices[index] = NULL;
|
|
|
|
return index;
|
|
}
|
|
|
|
static int
|
|
mach_fill_parent_iterator(struct mach_device_iterator *mdi, int size, int index, struct mach_iokit_devclass *mid)
|
|
{
|
|
struct mach_iokit_devclass **midp;
|
|
|
|
for (midp = mid->mid_parent; *midp != NULL; midp++) {
|
|
mdi->mdi_devices[index++] = *midp;
|
|
#ifdef DIAGNOSTIC
|
|
if (index >= size) {
|
|
printf("mach_device_iterator overflow\n");
|
|
break;
|
|
}
|
|
#endif
|
|
}
|
|
mdi->mdi_devices[index] = NULL;
|
|
|
|
return index;
|
|
}
|