338 lines
8.5 KiB
C
338 lines
8.5 KiB
C
/*
|
|
* Copyright (c) 1995 Scott Bartram
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include "opt_spx_hack.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/fcntl.h>
|
|
#include <sys/file.h>
|
|
#include <sys/filedesc.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/sysproto.h>
|
|
#include <sys/ttycom.h>
|
|
|
|
#include <i386/ibcs2/ibcs2_fcntl.h>
|
|
#include <i386/ibcs2/ibcs2_signal.h>
|
|
#include <i386/ibcs2/ibcs2_proto.h>
|
|
#include <i386/ibcs2/ibcs2_util.h>
|
|
|
|
static void cvt_iflock2flock(struct ibcs2_flock *, struct flock *);
|
|
static void cvt_flock2iflock(struct flock *, struct ibcs2_flock *);
|
|
static int cvt_o_flags(int);
|
|
static int oflags2ioflags(int);
|
|
static int ioflags2oflags(int);
|
|
|
|
static int
|
|
cvt_o_flags(flags)
|
|
int flags;
|
|
{
|
|
int r = 0;
|
|
|
|
/* convert mode into NetBSD mode */
|
|
if (flags & IBCS2_O_WRONLY) r |= O_WRONLY;
|
|
if (flags & IBCS2_O_RDWR) r |= O_RDWR;
|
|
if (flags & (IBCS2_O_NDELAY | IBCS2_O_NONBLOCK)) r |= O_NONBLOCK;
|
|
if (flags & IBCS2_O_APPEND) r |= O_APPEND;
|
|
if (flags & IBCS2_O_SYNC) r |= O_FSYNC;
|
|
if (flags & IBCS2_O_CREAT) r |= O_CREAT;
|
|
if (flags & IBCS2_O_TRUNC) r |= O_TRUNC /* | O_CREAT ??? */;
|
|
if (flags & IBCS2_O_EXCL) r |= O_EXCL;
|
|
if (flags & IBCS2_O_RDONLY) r |= O_RDONLY;
|
|
if (flags & IBCS2_O_PRIV) r |= O_EXLOCK;
|
|
if (flags & IBCS2_O_NOCTTY) r |= O_NOCTTY;
|
|
return r;
|
|
}
|
|
|
|
static void
|
|
cvt_flock2iflock(flp, iflp)
|
|
struct flock *flp;
|
|
struct ibcs2_flock *iflp;
|
|
{
|
|
switch (flp->l_type) {
|
|
case F_RDLCK:
|
|
iflp->l_type = IBCS2_F_RDLCK;
|
|
break;
|
|
case F_WRLCK:
|
|
iflp->l_type = IBCS2_F_WRLCK;
|
|
break;
|
|
case F_UNLCK:
|
|
iflp->l_type = IBCS2_F_UNLCK;
|
|
break;
|
|
}
|
|
iflp->l_whence = (short)flp->l_whence;
|
|
iflp->l_start = (ibcs2_off_t)flp->l_start;
|
|
iflp->l_len = (ibcs2_off_t)flp->l_len;
|
|
iflp->l_sysid = 0;
|
|
iflp->l_pid = (ibcs2_pid_t)flp->l_pid;
|
|
}
|
|
|
|
#ifdef DEBUG_IBCS2
|
|
static void
|
|
print_flock(struct flock *flp)
|
|
{
|
|
printf("flock: start=%x len=%x pid=%d type=%d whence=%d\n",
|
|
(int)flp->l_start, (int)flp->l_len, (int)flp->l_pid,
|
|
flp->l_type, flp->l_whence);
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
cvt_iflock2flock(iflp, flp)
|
|
struct ibcs2_flock *iflp;
|
|
struct flock *flp;
|
|
{
|
|
flp->l_start = (off_t)iflp->l_start;
|
|
flp->l_len = (off_t)iflp->l_len;
|
|
flp->l_pid = (pid_t)iflp->l_pid;
|
|
switch (iflp->l_type) {
|
|
case IBCS2_F_RDLCK:
|
|
flp->l_type = F_RDLCK;
|
|
break;
|
|
case IBCS2_F_WRLCK:
|
|
flp->l_type = F_WRLCK;
|
|
break;
|
|
case IBCS2_F_UNLCK:
|
|
flp->l_type = F_UNLCK;
|
|
break;
|
|
}
|
|
flp->l_whence = iflp->l_whence;
|
|
}
|
|
|
|
/* convert iBCS2 mode into NetBSD mode */
|
|
static int
|
|
ioflags2oflags(flags)
|
|
int flags;
|
|
{
|
|
int r = 0;
|
|
|
|
if (flags & IBCS2_O_RDONLY) r |= O_RDONLY;
|
|
if (flags & IBCS2_O_WRONLY) r |= O_WRONLY;
|
|
if (flags & IBCS2_O_RDWR) r |= O_RDWR;
|
|
if (flags & IBCS2_O_NDELAY) r |= O_NONBLOCK;
|
|
if (flags & IBCS2_O_APPEND) r |= O_APPEND;
|
|
if (flags & IBCS2_O_SYNC) r |= O_FSYNC;
|
|
if (flags & IBCS2_O_NONBLOCK) r |= O_NONBLOCK;
|
|
if (flags & IBCS2_O_CREAT) r |= O_CREAT;
|
|
if (flags & IBCS2_O_TRUNC) r |= O_TRUNC;
|
|
if (flags & IBCS2_O_EXCL) r |= O_EXCL;
|
|
if (flags & IBCS2_O_NOCTTY) r |= O_NOCTTY;
|
|
return r;
|
|
}
|
|
|
|
/* convert NetBSD mode into iBCS2 mode */
|
|
static int
|
|
oflags2ioflags(flags)
|
|
int flags;
|
|
{
|
|
int r = 0;
|
|
|
|
if (flags & O_RDONLY) r |= IBCS2_O_RDONLY;
|
|
if (flags & O_WRONLY) r |= IBCS2_O_WRONLY;
|
|
if (flags & O_RDWR) r |= IBCS2_O_RDWR;
|
|
if (flags & O_NDELAY) r |= IBCS2_O_NONBLOCK;
|
|
if (flags & O_APPEND) r |= IBCS2_O_APPEND;
|
|
if (flags & O_FSYNC) r |= IBCS2_O_SYNC;
|
|
if (flags & O_NONBLOCK) r |= IBCS2_O_NONBLOCK;
|
|
if (flags & O_CREAT) r |= IBCS2_O_CREAT;
|
|
if (flags & O_TRUNC) r |= IBCS2_O_TRUNC;
|
|
if (flags & O_EXCL) r |= IBCS2_O_EXCL;
|
|
if (flags & O_NOCTTY) r |= IBCS2_O_NOCTTY;
|
|
return r;
|
|
}
|
|
|
|
int
|
|
ibcs2_open(td, uap)
|
|
struct thread *td;
|
|
struct ibcs2_open_args *uap;
|
|
{
|
|
struct proc *p = td->td_proc;
|
|
int noctty = uap->flags & IBCS2_O_NOCTTY;
|
|
int ret;
|
|
caddr_t sg = stackgap_init();
|
|
|
|
uap->flags = cvt_o_flags(uap->flags);
|
|
if (uap->flags & O_CREAT)
|
|
CHECKALTCREAT(td, &sg, uap->path);
|
|
else
|
|
CHECKALTEXIST(td, &sg, uap->path);
|
|
ret = open(td, (struct open_args *)uap);
|
|
|
|
#ifdef SPX_HACK
|
|
if (ret == ENXIO) {
|
|
if (!strcmp(uap->path, "/compat/ibcs2/dev/spx"))
|
|
ret = spx_open(td, uap);
|
|
} else
|
|
#endif /* SPX_HACK */
|
|
PROC_LOCK(p);
|
|
if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) {
|
|
struct file *fp;
|
|
int error;
|
|
|
|
error = fget(td, td->td_retval[0], &fp);
|
|
PROC_UNLOCK(p);
|
|
if (error)
|
|
return (EBADF);
|
|
|
|
/* ignore any error, just give it a try */
|
|
if (fp->f_type == DTYPE_VNODE)
|
|
fo_ioctl(fp, TIOCSCTTY, (caddr_t) 0, td->td_ucred,
|
|
td);
|
|
fdrop(fp, td);
|
|
} else
|
|
PROC_UNLOCK(p);
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
ibcs2_creat(td, uap)
|
|
struct thread *td;
|
|
struct ibcs2_creat_args *uap;
|
|
{
|
|
struct open_args cup;
|
|
caddr_t sg = stackgap_init();
|
|
|
|
CHECKALTCREAT(td, &sg, uap->path);
|
|
cup.path = uap->path;
|
|
cup.mode = uap->mode;
|
|
cup.flags = O_WRONLY | O_CREAT | O_TRUNC;
|
|
return open(td, &cup);
|
|
}
|
|
|
|
int
|
|
ibcs2_access(td, uap)
|
|
struct thread *td;
|
|
struct ibcs2_access_args *uap;
|
|
{
|
|
struct access_args cup;
|
|
caddr_t sg = stackgap_init();
|
|
|
|
CHECKALTEXIST(td, &sg, uap->path);
|
|
cup.path = uap->path;
|
|
cup.flags = uap->flags;
|
|
return access(td, &cup);
|
|
}
|
|
|
|
int
|
|
ibcs2_fcntl(td, uap)
|
|
struct thread *td;
|
|
struct ibcs2_fcntl_args *uap;
|
|
{
|
|
int error;
|
|
struct fcntl_args fa;
|
|
struct flock *flp;
|
|
struct ibcs2_flock ifl;
|
|
|
|
switch(uap->cmd) {
|
|
case IBCS2_F_DUPFD:
|
|
fa.fd = uap->fd;
|
|
fa.cmd = F_DUPFD;
|
|
fa.arg = (/* XXX */ int)uap->arg;
|
|
return fcntl(td, &fa);
|
|
case IBCS2_F_GETFD:
|
|
fa.fd = uap->fd;
|
|
fa.cmd = F_GETFD;
|
|
fa.arg = (/* XXX */ int)uap->arg;
|
|
return fcntl(td, &fa);
|
|
case IBCS2_F_SETFD:
|
|
fa.fd = uap->fd;
|
|
fa.cmd = F_SETFD;
|
|
fa.arg = (/* XXX */ int)uap->arg;
|
|
return fcntl(td, &fa);
|
|
case IBCS2_F_GETFL:
|
|
fa.fd = uap->fd;
|
|
fa.cmd = F_GETFL;
|
|
fa.arg = (/* XXX */ int)uap->arg;
|
|
error = fcntl(td, &fa);
|
|
if (error)
|
|
return error;
|
|
td->td_retval[0] = oflags2ioflags(td->td_retval[0]);
|
|
return error;
|
|
case IBCS2_F_SETFL:
|
|
fa.fd = uap->fd;
|
|
fa.cmd = F_SETFL;
|
|
fa.arg = (/* XXX */ int)
|
|
ioflags2oflags((int)uap->arg);
|
|
return fcntl(td, &fa);
|
|
|
|
case IBCS2_F_GETLK:
|
|
{
|
|
caddr_t sg = stackgap_init();
|
|
flp = stackgap_alloc(&sg, sizeof(*flp));
|
|
error = copyin((caddr_t)uap->arg, (caddr_t)&ifl,
|
|
ibcs2_flock_len);
|
|
if (error)
|
|
return error;
|
|
cvt_iflock2flock(&ifl, flp);
|
|
fa.fd = uap->fd;
|
|
fa.cmd = F_GETLK;
|
|
fa.arg = (/* XXX */ int)flp;
|
|
error = fcntl(td, &fa);
|
|
if (error)
|
|
return error;
|
|
cvt_flock2iflock(flp, &ifl);
|
|
return copyout((caddr_t)&ifl, (caddr_t)uap->arg,
|
|
ibcs2_flock_len);
|
|
}
|
|
|
|
case IBCS2_F_SETLK:
|
|
{
|
|
caddr_t sg = stackgap_init();
|
|
flp = stackgap_alloc(&sg, sizeof(*flp));
|
|
error = copyin((caddr_t)uap->arg, (caddr_t)&ifl,
|
|
ibcs2_flock_len);
|
|
if (error)
|
|
return error;
|
|
cvt_iflock2flock(&ifl, flp);
|
|
fa.fd = uap->fd;
|
|
fa.cmd = F_SETLK;
|
|
fa.arg = (/* XXX */ int)flp;
|
|
|
|
return fcntl(td, &fa);
|
|
}
|
|
|
|
case IBCS2_F_SETLKW:
|
|
{
|
|
caddr_t sg = stackgap_init();
|
|
flp = stackgap_alloc(&sg, sizeof(*flp));
|
|
error = copyin((caddr_t)uap->arg, (caddr_t)&ifl,
|
|
ibcs2_flock_len);
|
|
if (error)
|
|
return error;
|
|
cvt_iflock2flock(&ifl, flp);
|
|
fa.fd = uap->fd;
|
|
fa.cmd = F_SETLKW;
|
|
fa.arg = (/* XXX */ int)flp;
|
|
return fcntl(td, &fa);
|
|
}
|
|
}
|
|
return ENOSYS;
|
|
}
|