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("$FreeBSD$");
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/fcntl.h>
37 #include <sys/lock.h>
38 #include <sys/mutex.h>
39 #include <sys/syscallsubr.h>
40 #include <sys/sysproto.h>
41 #include <sys/un.h>
42
43 #include <i386/ibcs2/ibcs2_types.h>
44 #include <i386/ibcs2/ibcs2_signal.h>
45 #include <i386/ibcs2/ibcs2_util.h>
46 #include <i386/ibcs2/ibcs2_proto.h>
47
48 #define IBCS2_SECURE_GETLUID 1
49 #define IBCS2_SECURE_SETLUID 2
50
51 int
ibcs2_secure(struct thread * td,struct ibcs2_secure_args * uap)52 ibcs2_secure(struct thread *td, struct ibcs2_secure_args *uap)
53 {
54 switch (uap->cmd) {
55
56 case IBCS2_SECURE_GETLUID: /* get login uid */
57 td->td_retval[0] = td->td_ucred->cr_uid;
58 return 0;
59
60 case IBCS2_SECURE_SETLUID: /* set login uid */
61 return EPERM;
62
63 default:
64 printf("IBCS2: 'secure' cmd=%d not implemented\n", uap->cmd);
65 }
66
67 return EINVAL;
68 }
69
70 int
ibcs2_lseek(struct thread * td,register struct ibcs2_lseek_args * uap)71 ibcs2_lseek(struct thread *td, register struct ibcs2_lseek_args *uap)
72 {
73 struct lseek_args largs;
74 int error;
75
76 largs.fd = uap->fd;
77 largs.offset = uap->offset;
78 largs.whence = uap->whence;
79 error = sys_lseek(td, &largs);
80 return (error);
81 }
82
83 #ifdef SPX_HACK
84 #include <sys/socket.h>
85 #include <sys/un.h>
86
87 int
spx_open(struct thread * td)88 spx_open(struct thread *td)
89 {
90 struct socket_args sock;
91 struct sockaddr_un sun;
92 int fd, error;
93
94 /* obtain a socket. */
95 DPRINTF(("SPX: open socket\n"));
96 sock.domain = AF_UNIX;
97 sock.type = SOCK_STREAM;
98 sock.protocol = 0;
99 error = sys_socket(td, &sock);
100 if (error)
101 return error;
102 fd = td->td_retval[0];
103
104 /* connect the socket to standard X socket */
105 DPRINTF(("SPX: connect to /tmp/X11-unix/X0\n"));
106 sun.sun_family = AF_UNIX;
107 strcpy(sun.sun_path, "/tmp/.X11-unix/X0");
108 sun.sun_len = sizeof(struct sockaddr_un) - sizeof(sun.sun_path) +
109 strlen(sun.sun_path) + 1;
110
111 error = kern_connectat(td, AT_FDCWD, fd, (struct sockaddr *)&sun);
112 if (error) {
113 kern_close(td, fd);
114 return error;
115 }
116 td->td_retval[0] = fd;
117 return 0;
118 }
119 #endif /* SPX_HACK */
120