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/6.2/sys/i386/ibcs2/ibcs2_other.c 141488 2005-02-07 22:02:18Z 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/sysproto.h>
39
40 #include <i386/ibcs2/ibcs2_types.h>
41 #include <i386/ibcs2/ibcs2_signal.h>
42 #include <i386/ibcs2/ibcs2_util.h>
43 #include <i386/ibcs2/ibcs2_proto.h>
44
45 #define IBCS2_SECURE_GETLUID 1
46 #define IBCS2_SECURE_SETLUID 2
47
48 int
49 ibcs2_secure(struct thread *td, struct ibcs2_secure_args *uap)
50 {
51 switch (uap->cmd) {
52
53 case IBCS2_SECURE_GETLUID: /* get login uid */
54 td->td_retval[0] = td->td_ucred->cr_uid;
55 return 0;
56
57 case IBCS2_SECURE_SETLUID: /* set login uid */
58 return EPERM;
59
60 default:
61 printf("IBCS2: 'secure' cmd=%d not implemented\n", uap->cmd);
62 }
63
64 return EINVAL;
65 }
66
67 int
68 ibcs2_lseek(struct thread *td, register struct ibcs2_lseek_args *uap)
69 {
70 struct lseek_args largs;
71 int error;
72
73 largs.fd = uap->fd;
74 largs.offset = uap->offset;
75 largs.whence = uap->whence;
76 error = lseek(td, &largs);
77 return (error);
78 }
79
80 #ifdef SPX_HACK
81 #include <sys/socket.h>
82 #include <sys/un.h>
83
84 int
85 spx_open(struct thread *td)
86 {
87 struct socket_args sock;
88 struct connect_args conn;
89 struct sockaddr_un *Xaddr;
90 int fd, error;
91 caddr_t sg = stackgap_init();
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
102 /* connect the socket to standard X socket */
103 DPRINTF(("SPX: connect to /tmp/X11-unix/X0\n"));
104 Xaddr = stackgap_alloc(&sg, sizeof(struct sockaddr_un));
105 Xaddr->sun_family = AF_UNIX;
106 Xaddr->sun_len = sizeof(struct sockaddr_un) - sizeof(Xaddr->sun_path) +
107 strlen(Xaddr->sun_path) + 1;
108 copyout("/tmp/.X11-unix/X0", Xaddr->sun_path, 18);
109
110 conn.s = fd = td->td_retval[0];
111 conn.name = (caddr_t)Xaddr;
112 conn.namelen = sizeof(struct sockaddr_un);
113 error = connect(td, &conn);
114 if (error) {
115 struct close_args cl;
116 cl.fd = fd;
117 close(td, &cl);
118 return error;
119 }
120 td->td_retval[0] = fd;
121 return 0;
122 }
123 #endif /* SPX_HACK */
Cache object: 4a69bd2ff5367b6301211c9d5a7e2cb2
|