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
25 #include <sys/cdefs.h>
26 __FBSDID("$FreeBSD: releng/8.4/sys/i386/ibcs2/ibcs2_other.c 199583 2009-11-20 15:27:52Z jhb $");
27
28 /*
29 * IBCS2 compatibility module.
30 */
31
32 #include "opt_spx_hack.h"
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/lock.h>
37 #include <sys/mutex.h>
38 #include <sys/syscallsubr.h>
39 #include <sys/sysproto.h>
40 #include <sys/un.h>
41
42 #include <i386/ibcs2/ibcs2_types.h>
43 #include <i386/ibcs2/ibcs2_signal.h>
44 #include <i386/ibcs2/ibcs2_util.h>
45 #include <i386/ibcs2/ibcs2_proto.h>
46
47 #define IBCS2_SECURE_GETLUID 1
48 #define IBCS2_SECURE_SETLUID 2
49
50 int
51 ibcs2_secure(struct thread *td, struct ibcs2_secure_args *uap)
52 {
53 switch (uap->cmd) {
54
55 case IBCS2_SECURE_GETLUID: /* get login uid */
56 td->td_retval[0] = td->td_ucred->cr_uid;
57 return 0;
58
59 case IBCS2_SECURE_SETLUID: /* set login uid */
60 return EPERM;
61
62 default:
63 printf("IBCS2: 'secure' cmd=%d not implemented\n", uap->cmd);
64 }
65
66 return EINVAL;
67 }
68
69 int
70 ibcs2_lseek(struct thread *td, register struct ibcs2_lseek_args *uap)
71 {
72 struct lseek_args largs;
73 int error;
74
75 largs.fd = uap->fd;
76 largs.offset = uap->offset;
77 largs.whence = uap->whence;
78 error = lseek(td, &largs);
79 return (error);
80 }
81
82 #ifdef SPX_HACK
83 #include <sys/socket.h>
84 #include <sys/un.h>
85
86 int
87 spx_open(struct thread *td)
88 {
89 struct socket_args sock;
90 struct sockaddr_un sun;
91 int fd, error;
92
93 /* obtain a socket. */
94 DPRINTF(("SPX: open socket\n"));
95 sock.domain = AF_UNIX;
96 sock.type = SOCK_STREAM;
97 sock.protocol = 0;
98 error = socket(td, &sock);
99 if (error)
100 return error;
101 fd = td->td_retval[0];
102
103 /* connect the socket to standard X socket */
104 DPRINTF(("SPX: connect to /tmp/X11-unix/X0\n"));
105 sun.sun_family = AF_UNIX;
106 strcpy(sun.sun_path, "/tmp/.X11-unix/X0");
107 sun.sun_len = sizeof(struct sockaddr_un) - sizeof(sun.sun_path) +
108 strlen(sun.sun_path) + 1;
109
110 error = kern_connect(td, fd, (struct sockaddr *)&sun);
111 if (error) {
112 kern_close(td, fd);
113 return error;
114 }
115 td->td_retval[0] = fd;
116 return 0;
117 }
118 #endif /* SPX_HACK */
Cache object: 2c84ea8f8338de861ee1094d5d4db202
|