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: src/sys/i386/ibcs2/ibcs2_other.c,v 1.3.4.1 1999/09/05 08:11:27 peter Exp $
25 */
26
27 /*
28 * IBCS2 compatibility module.
29 */
30
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/proc.h>
34 #include <sys/sysproto.h>
35 #include <sys/kernel.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, int *retval)
47 {
48 switch (uap->cmd) {
49
50 case IBCS2_SECURE_GETLUID: /* get login uid */
51 *retval = 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, int *retval)
66 {
67 struct lseek_args largs;
68 off_t lret;
69 int error;
70
71 largs.fd = uap->fd;
72 largs.offset = uap->offset;
73 largs.whence = uap->whence;
74 error = lseek(p, &largs, (int *)&lret);
75 *(long *)retval = lret;
76 return (error);
77 }
78
79 #ifdef SPX_HACK
80 #include <sys/socket.h>
81 #include <sys/un.h>
82
83 int
84 spx_open(struct proc *p, void *uap, int *retval)
85 {
86 struct socket_args sock;
87 struct connect_args conn;
88 struct sockaddr_un *Xaddr;
89 caddr_t name;
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(p, &sock, retval);
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 = *retval;
111 conn.name = (caddr_t)Xaddr;
112 conn.namelen = sizeof(struct sockaddr_un);
113 error = connect(p, &conn, retval);
114 if (error) {
115 struct close_args cl;
116 cl.fd = fd;
117 close(p, &cl, retval);
118 return error;
119 }
120 *retval = fd;
121 return 0;
122 }
123 #endif /* SPX_HACK */
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