ibcs2_other.c revision 71489
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: head/sys/i386/ibcs2/ibcs2_other.c 71489 2001-01-23 23:59:38Z jhb $ 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 45int 46ibcs2_secure(struct proc *p, struct ibcs2_secure_args *uap) 47{ 48 switch (uap->cmd) { 49 50 case IBCS2_SECURE_GETLUID: /* get login uid */ 51 PROC_LOCK(p); 52 p->p_retval[0] = p->p_ucred->cr_uid; 53 PROC_UNLOCK(p); 54 return 0; 55 56 case IBCS2_SECURE_SETLUID: /* set login uid */ 57 return EPERM; 58 59 default: 60 printf("IBCS2: 'secure' cmd=%d not implemented\n", uap->cmd); 61 } 62 63 return EINVAL; 64} 65 66int 67ibcs2_lseek(struct proc *p, register struct ibcs2_lseek_args *uap) 68{ 69 struct lseek_args largs; 70 int error; 71 72 largs.fd = uap->fd; 73 largs.offset = uap->offset; 74 largs.whence = uap->whence; 75 error = lseek(p, &largs); 76 return (error); 77} 78 79#ifdef SPX_HACK 80#include <sys/socket.h> 81#include <sys/un.h> 82 83int 84spx_open(struct proc *p, void *uap) 85{ 86 struct socket_args sock; 87 struct connect_args conn; 88 struct sockaddr_un *Xaddr; 89 int fd, error; 90 caddr_t sg = stackgap_init(); 91 92 /* obtain a socket. */ 93 DPRINTF(("SPX: open socket\n")); 94 sock.domain = AF_UNIX; 95 sock.type = SOCK_STREAM; 96 sock.protocol = 0; 97 error = socket(p, &sock); 98 if (error) 99 return error; 100 101 /* connect the socket to standard X socket */ 102 DPRINTF(("SPX: connect to /tmp/X11-unix/X0\n")); 103 Xaddr = stackgap_alloc(&sg, sizeof(struct sockaddr_un)); 104 Xaddr->sun_family = AF_UNIX; 105 Xaddr->sun_len = sizeof(struct sockaddr_un) - sizeof(Xaddr->sun_path) + 106 strlen(Xaddr->sun_path) + 1; 107 copyout("/tmp/.X11-unix/X0", Xaddr->sun_path, 18); 108 109 conn.s = fd = p->p_retval[0]; 110 conn.name = (caddr_t)Xaddr; 111 conn.namelen = sizeof(struct sockaddr_un); 112 error = connect(p, &conn); 113 if (error) { 114 struct close_args cl; 115 cl.fd = fd; 116 close(p, &cl); 117 return error; 118 } 119 p->p_retval[0] = fd; 120 return 0; 121} 122#endif /* SPX_HACK */ 123