svr4_ioctl.c revision 89319
143412Snewton/* 243412Snewton * Copyright (c) 1998 Mark Newton 343412Snewton * Copyright (c) 1994 Christos Zoulas 443412Snewton * All rights reserved. 543412Snewton * 643412Snewton * Redistribution and use in source and binary forms, with or without 743412Snewton * modification, are permitted provided that the following conditions 843412Snewton * are met: 943412Snewton * 1. Redistributions of source code must retain the above copyright 1043412Snewton * notice, this list of conditions and the following disclaimer. 1143412Snewton * 2. Redistributions in binary form must reproduce the above copyright 1243412Snewton * notice, this list of conditions and the following disclaimer in the 1343412Snewton * documentation and/or other materials provided with the distribution. 1443412Snewton * 3. The name of the author may not be used to endorse or promote products 1543412Snewton * derived from this software without specific prior written permission 1643412Snewton * 1743412Snewton * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1843412Snewton * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1943412Snewton * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 2043412Snewton * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2143412Snewton * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2243412Snewton * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2343412Snewton * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2443412Snewton * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2543412Snewton * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2643412Snewton * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2749267Snewton * 2850477Speter * $FreeBSD: head/sys/compat/svr4/svr4_ioctl.c 89319 2002-01-14 00:13:45Z alfred $ 2943412Snewton */ 3043412Snewton 3143412Snewton#include <sys/param.h> 3243412Snewton#include <sys/proc.h> 3343412Snewton#include <sys/file.h> 3443412Snewton#include <sys/filedesc.h> 3543412Snewton#include <sys/fcntl.h> 3643412Snewton#include <sys/socket.h> 3754300Snewton#include <sys/socketvar.h> 3854300Snewton#include <sys/systm.h> 3943412Snewton 4065302Sobrien#include <compat/svr4/svr4.h> 4165302Sobrien#include <compat/svr4/svr4_types.h> 4265302Sobrien#include <compat/svr4/svr4_util.h> 4365302Sobrien#include <compat/svr4/svr4_signal.h> 4465302Sobrien#include <compat/svr4/svr4_proto.h> 4565302Sobrien#include <compat/svr4/svr4_stropts.h> 4665302Sobrien#include <compat/svr4/svr4_ioctl.h> 4765302Sobrien#include <compat/svr4/svr4_termios.h> 4865302Sobrien#include <compat/svr4/svr4_ttold.h> 4965302Sobrien#include <compat/svr4/svr4_filio.h> 5065302Sobrien#include <compat/svr4/svr4_sockio.h> 5143412Snewton 5243412Snewton#ifdef DEBUG_SVR4 5343412Snewtonstatic void svr4_decode_cmd __P((u_long, char *, char *, int *, int *)); 5443412Snewton/* 5543412Snewton * Decode an ioctl command symbolically 5643412Snewton */ 5743412Snewtonstatic void 5843412Snewtonsvr4_decode_cmd(cmd, dir, c, num, argsiz) 5943412Snewton u_long cmd; 6043412Snewton char *dir, *c; 6143412Snewton int *num, *argsiz; 6243412Snewton{ 6343412Snewton if (cmd & SVR4_IOC_VOID) 6443412Snewton *dir++ = 'V'; 6543412Snewton if (cmd & SVR4_IOC_IN) 6643412Snewton *dir++ = 'R'; 6743412Snewton if (cmd & SVR4_IOC_OUT) 6843412Snewton *dir++ = 'W'; 6943412Snewton *dir = '\0'; 7043412Snewton if (cmd & SVR4_IOC_INOUT) 7143412Snewton *argsiz = (cmd >> 16) & 0xff; 7243412Snewton else 7343412Snewton *argsiz = -1; 7443412Snewton 7543412Snewton *c = (cmd >> 8) & 0xff; 7643412Snewton *num = cmd & 0xff; 7743412Snewton} 7843412Snewton#endif 7943412Snewton 8043412Snewtonint 8183366Sjuliansvr4_sys_ioctl(td, uap) 8283366Sjulian register struct thread *td; 8343412Snewton struct svr4_sys_ioctl_args *uap; 8443412Snewton{ 8543412Snewton int *retval; 8643412Snewton struct file *fp; 8743412Snewton u_long cmd; 8883366Sjulian int (*fun) __P((struct file *, struct thread *, register_t *, 8943412Snewton int, u_long, caddr_t)); 9089306Salfred int error; 9143412Snewton#ifdef DEBUG_SVR4 9243412Snewton char dir[4]; 9343412Snewton char c; 9443412Snewton int num; 9543412Snewton int argsiz; 9643412Snewton 9743412Snewton svr4_decode_cmd(SCARG(uap, com), dir, &c, &num, &argsiz); 9843412Snewton 9980114Sassar DPRINTF(("svr4_ioctl[%lx](%d, _IO%s(%c, %d, %d), %p);\n", SCARG(uap, com), SCARG(uap, fd), 10043412Snewton dir, c, num, argsiz, SCARG(uap, data))); 10143412Snewton#endif 10283366Sjulian retval = td->td_retval; 10343412Snewton cmd = SCARG(uap, com); 10443412Snewton 10589319Salfred if ((error = fget(td, uap->fd, &fp)) != 0) 10689319Salfred return (error); 10743412Snewton 10889306Salfred if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 10989306Salfred fdrop(fp, td); 11043412Snewton return EBADF; 11189306Salfred } 11243412Snewton 11343412Snewton#if defined(DEBUG_SVR4) 11443412Snewton if (fp->f_type == DTYPE_SOCKET) { 11580114Sassar struct socket *so = (struct socket *)fp->f_data; 11643412Snewton DPRINTF(("<<< IN: so_state = 0x%x\n", so->so_state)); 11743412Snewton } 11843412Snewton#endif 11943412Snewton 12043412Snewton switch (cmd & 0xff00) { 12143412Snewton case SVR4_tIOC: 12243412Snewton DPRINTF(("ttold\n")); 12343412Snewton fun = svr4_ttold_ioctl; 12443412Snewton break; 12543412Snewton 12643412Snewton case SVR4_TIOC: 12743412Snewton DPRINTF(("term\n")); 12843412Snewton fun = svr4_term_ioctl; 12943412Snewton break; 13043412Snewton 13143412Snewton case SVR4_STR: 13243412Snewton DPRINTF(("stream\n")); 13343412Snewton fun = svr4_stream_ioctl; 13443412Snewton break; 13543412Snewton 13643412Snewton case SVR4_FIOC: 13743412Snewton DPRINTF(("file\n")); 13843412Snewton fun = svr4_fil_ioctl; 13943412Snewton break; 14043412Snewton 14143412Snewton case SVR4_SIOC: 14243412Snewton DPRINTF(("socket\n")); 14343412Snewton fun = svr4_sock_ioctl; 14443412Snewton break; 14543412Snewton 14643412Snewton case SVR4_XIOC: 14743412Snewton /* We do not support those */ 14889306Salfred fdrop(fp, td); 14943412Snewton return EINVAL; 15043412Snewton 15143412Snewton default: 15289306Salfred fdrop(fp, td); 15343412Snewton DPRINTF(("Unimplemented ioctl %lx\n", cmd)); 15443412Snewton return 0; /* XXX: really ENOSYS */ 15543412Snewton } 15643412Snewton#if defined(DEBUG_SVR4) 15743412Snewton if (fp->f_type == DTYPE_SOCKET) { 15889306Salfred struct socket *so; 15989306Salfred 16089306Salfred so = (struct socket *)fp->f_data; 16143412Snewton DPRINTF((">>> OUT: so_state = 0x%x\n", so->so_state)); 16243412Snewton } 16343412Snewton#endif 16489306Salfred error = (*fun)(fp, td, retval, SCARG(uap, fd), cmd, SCARG(uap, data)); 16589306Salfred fdrop(fp, td); 16689306Salfred return (error); 16743412Snewton} 168