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 * $FreeBSD$
25 */
26
27 /*
28 * IBCS2 compatibility module.
29 */
30
31 #include "opt_spx_hack.h"
32
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/sysproto.h>
36
37 #include <i386/ibcs2/ibcs2_types.h>
38 #include <i386/ibcs2/ibcs2_signal.h>
39 #include <i386/ibcs2/ibcs2_util.h>
40 #include <i386/ibcs2/ibcs2_proto.h>
41
42 #define IBCS2_SECURE_GETLUID 1
43 #define IBCS2_SECURE_SETLUID 2
44
45 int
46 ibcs2_secure(struct proc *p, struct ibcs2_secure_args *uap)
47 {
48 switch (uap->cmd) {
49
50 case IBCS2_SECURE_GETLUID: /* get login uid */
51 p->p_retval[0] = p->p_ucred->cr_uid;
52 return 0;
53
54 case IBCS2_SECURE_SETLUID: /* set login uid */
55 return EPERM;
56
57 default:
58 printf("IBCS2: 'secure' cmd=%d not implemented\n", uap->cmd);
59 }
60
61 return EINVAL;
62 }
63
64 int
65 ibcs2_lseek(struct proc *p, register struct ibcs2_lseek_args *uap)
66 {
67 struct lseek_args largs;
68 int error;
69
70 largs.fd = uap->fd;
71 largs.offset = uap->offset;
72 largs.whence = uap->whence;
73 error = lseek(p, &largs);
74 return (error);
75 }
76
77 #ifdef SPX_HACK
78 #include <sys/socket.h>
79 #include <sys/un.h>
80
81 int
82 spx_open(struct proc *p, void *uap)
83 {
84 struct socket_args sock;
85 struct connect_args conn;
86 struct sockaddr_un *Xaddr;
87 int fd, error;
88 caddr_t sg = stackgap_init();
89
90 /* obtain a socket. */
91 DPRINTF(("SPX: open socket\n"));
92 sock.domain = AF_UNIX;
93 sock.type = SOCK_STREAM;
94 sock.protocol = 0;
95 error = socket(p, &sock);
96 if (error)
97 return error;
98
99 /* connect the socket to standard X socket */
100 DPRINTF(("SPX: connect to /tmp/X11-unix/X0\n"));
101 Xaddr = stackgap_alloc(&sg, sizeof(struct sockaddr_un));
102 Xaddr->sun_family = AF_UNIX;
103 Xaddr->sun_len = sizeof(struct sockaddr_un) - sizeof(Xaddr->sun_path) +
104 strlen(Xaddr->sun_path) + 1;
105 copyout("/tmp/.X11-unix/X0", Xaddr->sun_path, 18);
106
107 conn.s = fd = p->p_retval[0];
108 conn.name = (caddr_t)Xaddr;
109 conn.namelen = sizeof(struct sockaddr_un);
110 error = connect(p, &conn);
111 if (error) {
112 struct close_args cl;
113 cl.fd = fd;
114 close(p, &cl);
115 return error;
116 }
117 p->p_retval[0] = fd;
118 return 0;
119 }
120 #endif /* SPX_HACK */
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