ibcs2_other.c revision 28749
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 * $Id: ibcs2_other.c,v 1.6 1997/07/20 09:39:45 bde Exp $ 25 */ 26 27/* 28 * IBCS2 compatibility module. 29 */ 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/sysproto.h> 34 35#include <i386/ibcs2/ibcs2_types.h> 36#include <i386/ibcs2/ibcs2_signal.h> 37#include <i386/ibcs2/ibcs2_util.h> 38#include <i386/ibcs2/ibcs2_proto.h> 39 40#define IBCS2_SECURE_GETLUID 1 41#define IBCS2_SECURE_SETLUID 2 42 43int 44ibcs2_secure(struct proc *p, struct ibcs2_secure_args *uap, int *retval) 45{ 46 switch (uap->cmd) { 47 48 case IBCS2_SECURE_GETLUID: /* get login uid */ 49 *retval = p->p_ucred->cr_uid; 50 return 0; 51 52 case IBCS2_SECURE_SETLUID: /* set login uid */ 53 return EPERM; 54 55 default: 56 printf("IBCS2: 'secure' cmd=%d not implemented\n", uap->cmd); 57 } 58 59 return EINVAL; 60} 61 62int 63ibcs2_lseek(struct proc *p, register struct ibcs2_lseek_args *uap, int *retval) 64{ 65 struct lseek_args largs; 66 off_t lret; 67 int error; 68 69 largs.fd = uap->fd; 70 largs.offset = uap->offset; 71 largs.whence = uap->whence; 72 error = lseek(p, &largs, (int *)&lret); 73 *(long *)retval = lret; 74 return (error); 75} 76 77#ifdef SPX_HACK 78#include <sys/socket.h> 79#include <sys/un.h> 80 81int 82spx_open(struct proc *p, void *uap, int *retval) 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, retval); 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 = *retval; 108 conn.name = (caddr_t)Xaddr; 109 conn.namelen = sizeof(struct sockaddr_un); 110 error = connect(p, &conn, retval); 111 if (error) { 112 struct close_args cl; 113 cl.fd = fd; 114 close(p, &cl, retval); 115 return error; 116 } 117 *retval = fd; 118 return 0; 119} 120#endif /* SPX_HACK */ 121