diff options
Diffstat (limited to 'sys/compat/svr4/svr4_ioctl.c')
| -rw-r--r-- | sys/compat/svr4/svr4_ioctl.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/sys/compat/svr4/svr4_ioctl.c b/sys/compat/svr4/svr4_ioctl.c new file mode 100644 index 00000000000..355e5135c87 --- /dev/null +++ b/sys/compat/svr4/svr4_ioctl.c @@ -0,0 +1,135 @@ +/* $NetBSD: svr4_ioctl.c,v 1.12 1995/10/07 06:27:41 mycroft Exp $ */ + +/* + * Copyright (c) 1994 Christos Zoulas + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/param.h> +#include <sys/proc.h> +#include <sys/systm.h> +#include <sys/file.h> +#include <sys/filedesc.h> +#include <sys/ioctl.h> +#include <sys/termios.h> +#include <sys/tty.h> +#include <sys/socket.h> +#include <sys/ioctl.h> +#include <sys/mount.h> +#include <net/if.h> +#include <sys/malloc.h> + +#include <sys/syscallargs.h> + +#include <compat/svr4/svr4_types.h> +#include <compat/svr4/svr4_util.h> +#include <compat/svr4/svr4_signal.h> +#include <compat/svr4/svr4_syscallargs.h> +#include <compat/svr4/svr4_stropts.h> +#include <compat/svr4/svr4_ioctl.h> +#include <compat/svr4/svr4_termios.h> +#include <compat/svr4/svr4_ttold.h> +#include <compat/svr4/svr4_filio.h> +#include <compat/svr4/svr4_sockio.h> + +#ifdef DEBUG_SVR4 +/* + * Decode an ioctl command symbolically + */ +void +svr4_decode_cmd(cmd, dir, c, num, argsiz) + u_long cmd; + char *dir, *c; + int *num, *argsiz; +{ + if (cmd & SVR4_IOC_VOID) + *dir++ = 'V'; + if (cmd & SVR4_IOC_IN) + *dir++ = 'R'; + if (cmd & SVR4_IOC_OUT) + *dir++ = 'W'; + *dir = '\0'; + if (cmd & SVR4_IOC_INOUT) + *argsiz = (cmd >> 16) & 0xff; + else + *argsiz = -1; + + *c = (cmd >> 8) & 0xff; + *num = cmd & 0xff; +} +#endif + +int +svr4_sys_ioctl(p, v, retval) + register struct proc *p; + void *v; + register_t *retval; +{ + struct svr4_sys_ioctl_args *uap = v; + struct file *fp; + struct filedesc *fdp; + u_long cmd; +#ifdef DEBUG_SVR4 + char dir[4]; + char c; + int num; + int argsiz; + + svr4_decode_cmd(SCARG(uap, com), dir, &c, &num, &argsiz); + + printf("svr4_ioctl(%d, _IO%s(%c, %d, %d), %x);\n", SCARG(uap, fd), + dir, c, num, argsiz, SCARG(uap, data)); +#endif + fdp = p->p_fd; + cmd = SCARG(uap, com); + + if ((u_int)SCARG(uap, fd) >= fdp->fd_nfiles || + (fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL) + return EBADF; + + if ((fp->f_flag & (FREAD | FWRITE)) == 0) + return EBADF; + + switch (cmd & 0xff00) { + case SVR4_tIOC: + return svr4_ttoldioctl(fp, cmd, SCARG(uap, data), p, retval); + + case SVR4_TIOC: + return svr4_termioctl(fp, cmd, SCARG(uap, data), p, retval); + + case SVR4_STR: + return svr4_streamioctl(fp, cmd, SCARG(uap, data), p, retval); + + case SVR4_FIOC: + return svr4_filioctl(fp, cmd, SCARG(uap, data), p, retval); + + case SVR4_SIOC: + return svr4_sockioctl(fp, cmd, SCARG(uap, data), p, retval); + + default: + DPRINTF(("Unimplemented ioctl %x\n", cmd)); + return 0; /* XXX: really ENOSYS */ + } +} |