1 /* $NetBSD: mach_bootstrap.c,v 1.11 2005/02/26 23:10:19 perry Exp $ */
2
3 /*-
4 * Copyright (c) 2002-2003 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Emmanuel Dreyfus
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: mach_bootstrap.c,v 1.11 2005/02/26 23:10:19 perry Exp $");
41
42 #include <sys/types.h>
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/signal.h>
46 #include <sys/proc.h>
47
48 #include <compat/mach/mach_types.h>
49 #include <compat/mach/mach_message.h>
50 #include <compat/mach/mach_port.h>
51 #include <compat/mach/mach_bootstrap.h>
52 #include <compat/mach/mach_errno.h>
53 #include <compat/mach/mach_services.h>
54
55 int
56 mach_bootstrap_look_up(args)
57 struct mach_trap_args *args;
58 {
59 mach_bootstrap_look_up_request_t *req = args->smsg;
60 mach_bootstrap_look_up_reply_t *rep = args->rmsg;
61 struct lwp *l = args->l;
62 size_t *msglen = args->rsize;
63 const char service_name[] = "lookup\021"; /* XXX Why */
64 int service_name_len;
65 struct mach_right *mr;
66 size_t len;
67
68 /* The trailer is word aligned */
69 service_name_len = (sizeof(service_name) + 1) & ~0x7UL;
70 len = sizeof(*rep) - sizeof(rep->rep_service_name) + service_name_len;
71
72 if (len > *msglen)
73 return mach_msg_error(args, EINVAL);
74 *msglen = len;
75
76 mr = mach_right_get(NULL, l, MACH_PORT_TYPE_DEAD_NAME, 0);
77
78 mach_set_header(rep, req, *msglen);
79
80 rep->rep_count = 1;
81 rep->rep_bootstrap_port = mr->mr_name;
82 strncpy((char *)rep->rep_service_name, service_name,
83 service_name_len);
84
85 mach_set_trailer(rep, *msglen);
86
87 return 0;
88 }
89
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