ibcs2_other.c revision 11527 
1/*
2 * Copyright (c) 1995 Steven Wallace
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. The name of the author may not be used to endorse or promote products
11 *    derived from this software without specific prior written permission
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * $Id$
25 */
26
27/*
28 * IBCS2 compatibility module.
29 */
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/sysproto.h>
34#include <sys/kernel.h>
35
36#include <i386/ibcs2/ibcs2_types.h>
37#include <i386/ibcs2/ibcs2_signal.h>
38#include <i386/ibcs2/ibcs2_util.h>
39#include <i386/ibcs2/ibcs2_proto.h>
40
41#define IBCS2_SECURE_GETLUID 1
42#define IBCS2_SECURE_SETLUID 2
43
44int
45ibcs2_secure(struct proc *p, struct ibcs2_secure_args *uap, int *retval)
46{
47	switch (uap->cmd) {
48
49	case IBCS2_SECURE_GETLUID:		/* get login uid */
50		*retval = p->p_ucred->cr_uid;
51		return 0;
52
53	case IBCS2_SECURE_SETLUID:		/* set login uid */
54		return EPERM;
55
56	default:
57		printf("IBCS2: 'secure' cmd=%d not implemented\n", uap->cmd);
58	}
59
60	return EINVAL;
61}
62
63int
64ibcs2_lseek(struct proc *p, register struct ibcs2_lseek_args *uap, int *retval)
65{
66	struct lseek_args largs;
67	off_t lret;
68	int error;
69
70	largs.fd = uap->fd;
71	largs.offset = uap->offset;
72	largs.whence = uap->whence;
73	error = lseek(p, &largs, (int *)&lret);
74	*(long *)retval = lret;
75	return (error);
76}
77
78#ifdef SPX_HACK
79#include <sys/socket.h>
80#include <sys/un.h>
81
82int
83spx_open(struct proc *p, void *uap, int *retval)
84{
85	struct socket_args sock;
86	struct connect_args conn;
87	struct sockaddr_un *Xaddr;
88	caddr_t name;
89	int fd, error;
90	caddr_t sg = stackgap_init();
91
92	/* obtain a socket. */
93	DPRINTF(("SPX: open socket\n"));
94	sock.domain = AF_UNIX;
95	sock.type = SOCK_STREAM;
96	sock.protocol = 0;
97	error = socket(p, &sock, retval);
98	if (error)
99		return error;
100
101	/* connect the socket to standard X socket */
102	DPRINTF(("SPX: connect to /tmp/X11-unix/X0\n"));
103	Xaddr = stackgap_alloc(&sg, sizeof(struct sockaddr_un));
104	Xaddr->sun_family = AF_UNIX;
105	Xaddr->sun_len = sizeof(struct sockaddr_un) - sizeof(Xaddr->sun_path) +
106	  strlen(Xaddr->sun_path) + 1;
107	copyout("/tmp/.X11-unix/X0", Xaddr->sun_path, 18);
108
109	conn.s = fd = *retval;
110	conn.name = (caddr_t)Xaddr;
111	conn.namelen = sizeof(struct sockaddr_un);
112	error = connect(p, &conn, retval);
113	if (error) {
114		struct close_args cl;
115		cl.fd = fd;
116		close(p, &cl, retval);
117		return error;
118	}
119	*retval = fd;
120	return 0;
121}
122#endif /* SPX_HACK */
123