//==========================================================================
|
//==========================================================================
|
//
|
//
|
// sys/kern/sockio.c
|
// sys/kern/sockio.c
|
//
|
//
|
// Socket interface to Fileio subsystem
|
// Socket interface to Fileio subsystem
|
//
|
//
|
//==========================================================================
|
//==========================================================================
|
//####BSDCOPYRIGHTBEGIN####
|
//####BSDCOPYRIGHTBEGIN####
|
//
|
//
|
// -------------------------------------------
|
// -------------------------------------------
|
//
|
//
|
// Portions of this software may have been derived from OpenBSD or other sources,
|
// Portions of this software may have been derived from OpenBSD or other sources,
|
// and are covered by the appropriate copyright disclaimers included herein.
|
// and are covered by the appropriate copyright disclaimers included herein.
|
//
|
//
|
// -------------------------------------------
|
// -------------------------------------------
|
//
|
//
|
//####BSDCOPYRIGHTEND####
|
//####BSDCOPYRIGHTEND####
|
//==========================================================================
|
//==========================================================================
|
//#####DESCRIPTIONBEGIN####
|
//#####DESCRIPTIONBEGIN####
|
//
|
//
|
// Author(s): nickg
|
// Author(s): nickg
|
// Contributors: nickg
|
// Contributors: nickg
|
// Date: 2000-06-06
|
// Date: 2000-06-06
|
// Purpose:
|
// Purpose:
|
// Description:
|
// Description:
|
//
|
//
|
//
|
//
|
//####DESCRIPTIONEND####
|
//####DESCRIPTIONEND####
|
//
|
//
|
//==========================================================================
|
//==========================================================================
|
|
|
/*
|
/*
|
* Copyright (c) 1982, 1986, 1991, 1993
|
* Copyright (c) 1982, 1986, 1991, 1993
|
* The Regents of the University of California. All rights reserved.
|
* The Regents of the University of California. All rights reserved.
|
* (c) UNIX System Laboratories, Inc.
|
* (c) UNIX System Laboratories, Inc.
|
* All or some portions of this file are derived from material licensed
|
* All or some portions of this file are derived from material licensed
|
* to the University of California by American Telephone and Telegraph
|
* to the University of California by American Telephone and Telegraph
|
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
|
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
|
* the permission of UNIX System Laboratories, Inc.
|
* the permission of UNIX System Laboratories, Inc.
|
*
|
*
|
* Redistribution and use in source and binary forms, with or without
|
* Redistribution and use in source and binary forms, with or without
|
* modification, are permitted provided that the following conditions
|
* modification, are permitted provided that the following conditions
|
* are met:
|
* are met:
|
* 1. Redistributions of source code must retain the above copyright
|
* 1. Redistributions of source code must retain the above copyright
|
* notice, this list of conditions and the following disclaimer.
|
* notice, this list of conditions and the following disclaimer.
|
* 2. Redistributions in binary form must reproduce the above copyright
|
* 2. Redistributions in binary form must reproduce the above copyright
|
* notice, this list of conditions and the following disclaimer in the
|
* notice, this list of conditions and the following disclaimer in the
|
* documentation and/or other materials provided with the distribution.
|
* documentation and/or other materials provided with the distribution.
|
* 3. All advertising materials mentioning features or use of this software
|
* 3. All advertising materials mentioning features or use of this software
|
* must display the following acknowledgement:
|
* must display the following acknowledgement:
|
* This product includes software developed by the University of
|
* This product includes software developed by the University of
|
* California, Berkeley and its contributors.
|
* California, Berkeley and its contributors.
|
* 4. Neither the name of the University nor the names of its contributors
|
* 4. Neither the name of the University nor the names of its contributors
|
* may be used to endorse or promote products derived from this software
|
* may be used to endorse or promote products derived from this software
|
* without specific prior written permission.
|
* without specific prior written permission.
|
*
|
*
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
* 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
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
* SUCH DAMAGE.
|
* SUCH DAMAGE.
|
*
|
*
|
*/
|
*/
|
//==========================================================================
|
//==========================================================================
|
|
|
#include <pkgconf/net.h>
|
#include <pkgconf/net.h>
|
#include <pkgconf/io_fileio.h>
|
#include <pkgconf/io_fileio.h>
|
|
|
#include <sys/types.h>
|
#include <sys/types.h>
|
|
|
#include <cyg/io/file.h>
|
#include <cyg/io/file.h>
|
|
|
#include <cyg/fileio/fileio.h>
|
#include <cyg/fileio/fileio.h>
|
#include <cyg/fileio/sockio.h>
|
#include <cyg/fileio/sockio.h>
|
|
|
#include <sys/param.h>
|
#include <sys/param.h>
|
#include <sys/mbuf.h>
|
#include <sys/mbuf.h>
|
#include <sys/protosw.h>
|
#include <sys/protosw.h>
|
#include <sys/socket.h>
|
#include <sys/socket.h>
|
#include <sys/socketvar.h>
|
#include <sys/socketvar.h>
|
#include <sys/ioctl.h>
|
#include <sys/ioctl.h>
|
|
|
#include <net/if.h>
|
#include <net/if.h>
|
#include <net/route.h>
|
#include <net/route.h>
|
|
|
//==========================================================================
|
//==========================================================================
|
// Forward definitions
|
// Forward definitions
|
|
|
static int bsd_init( cyg_nstab_entry *nste );
|
static int bsd_init( cyg_nstab_entry *nste );
|
static int bsd_socket( cyg_nstab_entry *nste, int domain, int type,
|
static int bsd_socket( cyg_nstab_entry *nste, int domain, int type,
|
int protocol, cyg_file *file );
|
int protocol, cyg_file *file );
|
|
|
static int bsd_bind ( cyg_file *fp, const sockaddr *sa, socklen_t len );
|
static int bsd_bind ( cyg_file *fp, const sockaddr *sa, socklen_t len );
|
static int bsd_connect ( cyg_file *fp, const sockaddr *sa, socklen_t len );
|
static int bsd_connect ( cyg_file *fp, const sockaddr *sa, socklen_t len );
|
static int bsd_accept ( cyg_file *fp, cyg_file *new_fp,
|
static int bsd_accept ( cyg_file *fp, cyg_file *new_fp,
|
struct sockaddr *name, socklen_t *anamelen );
|
struct sockaddr *name, socklen_t *anamelen );
|
static int bsd_listen ( cyg_file *fp, int len );
|
static int bsd_listen ( cyg_file *fp, int len );
|
static int bsd_getname ( cyg_file *fp, sockaddr *sa, socklen_t *len, int peer );
|
static int bsd_getname ( cyg_file *fp, sockaddr *sa, socklen_t *len, int peer );
|
static int bsd_shutdown ( cyg_file *fp, int flags );
|
static int bsd_shutdown ( cyg_file *fp, int flags );
|
static int bsd_getsockopt( cyg_file *fp, int level, int optname,
|
static int bsd_getsockopt( cyg_file *fp, int level, int optname,
|
void *optval, socklen_t *optlen);
|
void *optval, socklen_t *optlen);
|
static int bsd_setsockopt( cyg_file *fp, int level, int optname,
|
static int bsd_setsockopt( cyg_file *fp, int level, int optname,
|
const void *optval, socklen_t optlen);
|
const void *optval, socklen_t optlen);
|
static int bsd_sendmsg ( cyg_file *fp, const struct msghdr *m,
|
static int bsd_sendmsg ( cyg_file *fp, const struct msghdr *m,
|
int flags, ssize_t *retsize );
|
int flags, ssize_t *retsize );
|
static int bsd_recvmsg ( cyg_file *fp, struct msghdr *m,
|
static int bsd_recvmsg ( cyg_file *fp, struct msghdr *m,
|
socklen_t *namelen, ssize_t *retsize );
|
socklen_t *namelen, ssize_t *retsize );
|
|
|
|
|
// File operations
|
// File operations
|
static int bsd_read (struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
|
static int bsd_read (struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
|
static int bsd_write (struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
|
static int bsd_write (struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio);
|
static int bsd_lseek (struct CYG_FILE_TAG *fp, off_t *pos, int whence );
|
static int bsd_lseek (struct CYG_FILE_TAG *fp, off_t *pos, int whence );
|
static int bsd_ioctl (struct CYG_FILE_TAG *fp, CYG_ADDRWORD com,
|
static int bsd_ioctl (struct CYG_FILE_TAG *fp, CYG_ADDRWORD com,
|
CYG_ADDRWORD data);
|
CYG_ADDRWORD data);
|
static int bsd_select (struct CYG_FILE_TAG *fp, int which, CYG_ADDRWORD info);
|
static int bsd_select (struct CYG_FILE_TAG *fp, int which, CYG_ADDRWORD info);
|
static int bsd_fsync (struct CYG_FILE_TAG *fp, int mode );
|
static int bsd_fsync (struct CYG_FILE_TAG *fp, int mode );
|
static int bsd_close (struct CYG_FILE_TAG *fp);
|
static int bsd_close (struct CYG_FILE_TAG *fp);
|
static int bsd_fstat (struct CYG_FILE_TAG *fp, struct stat *buf );
|
static int bsd_fstat (struct CYG_FILE_TAG *fp, struct stat *buf );
|
static int bsd_getinfo (struct CYG_FILE_TAG *fp, int key, void *buf, int len );
|
static int bsd_getinfo (struct CYG_FILE_TAG *fp, int key, void *buf, int len );
|
static int bsd_setinfo (struct CYG_FILE_TAG *fp, int key, void *buf, int len );
|
static int bsd_setinfo (struct CYG_FILE_TAG *fp, int key, void *buf, int len );
|
|
|
static int
|
static int
|
bsd_recvit(cyg_file *fp, struct msghdr *mp, socklen_t *namelenp, ssize_t *retsize);
|
bsd_recvit(cyg_file *fp, struct msghdr *mp, socklen_t *namelenp, ssize_t *retsize);
|
static int
|
static int
|
bsd_sendit(cyg_file *fp, const struct msghdr *mp, int flags, ssize_t *retsize);
|
bsd_sendit(cyg_file *fp, const struct msghdr *mp, int flags, ssize_t *retsize);
|
|
|
|
|
//==========================================================================
|
//==========================================================================
|
// Table entrys
|
// Table entrys
|
|
|
NSTAB_ENTRY( bsd_nste, 0,
|
NSTAB_ENTRY( bsd_nste, 0,
|
"bsd_tcpip",
|
"bsd_tcpip",
|
"",
|
"",
|
0,
|
0,
|
bsd_init,
|
bsd_init,
|
bsd_socket);
|
bsd_socket);
|
|
|
struct cyg_sock_ops bsd_sockops =
|
struct cyg_sock_ops bsd_sockops =
|
{
|
{
|
bsd_bind,
|
bsd_bind,
|
bsd_connect,
|
bsd_connect,
|
bsd_accept,
|
bsd_accept,
|
bsd_listen,
|
bsd_listen,
|
bsd_getname,
|
bsd_getname,
|
bsd_shutdown,
|
bsd_shutdown,
|
bsd_getsockopt,
|
bsd_getsockopt,
|
bsd_setsockopt,
|
bsd_setsockopt,
|
bsd_sendmsg,
|
bsd_sendmsg,
|
bsd_recvmsg
|
bsd_recvmsg
|
};
|
};
|
|
|
cyg_fileops bsd_sock_fileops =
|
cyg_fileops bsd_sock_fileops =
|
{
|
{
|
bsd_read,
|
bsd_read,
|
bsd_write,
|
bsd_write,
|
bsd_lseek,
|
bsd_lseek,
|
bsd_ioctl,
|
bsd_ioctl,
|
bsd_select,
|
bsd_select,
|
bsd_fsync,
|
bsd_fsync,
|
bsd_close,
|
bsd_close,
|
bsd_fstat,
|
bsd_fstat,
|
bsd_getinfo,
|
bsd_getinfo,
|
bsd_setinfo
|
bsd_setinfo
|
};
|
};
|
|
|
//==========================================================================
|
//==========================================================================
|
// NStab functions
|
// NStab functions
|
|
|
|
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_init( cyg_nstab_entry *nste )
|
static int bsd_init( cyg_nstab_entry *nste )
|
{
|
{
|
// Initialization already handled via constructor
|
// Initialization already handled via constructor
|
|
|
return ENOERR;
|
return ENOERR;
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_socket( cyg_nstab_entry *nste, int domain, int type,
|
static int bsd_socket( cyg_nstab_entry *nste, int domain, int type,
|
int protocol, cyg_file *file )
|
int protocol, cyg_file *file )
|
{
|
{
|
int error = 0;
|
int error = 0;
|
struct socket *so;
|
struct socket *so;
|
|
|
error = socreate( domain, &so, type, protocol );
|
error = socreate( domain, &so, type, protocol );
|
|
|
if( error == ENOERR )
|
if( error == ENOERR )
|
{
|
{
|
|
|
cyg_selinit(&so->so_rcv.sb_sel);
|
cyg_selinit(&so->so_rcv.sb_sel);
|
cyg_selinit(&so->so_snd.sb_sel);
|
cyg_selinit(&so->so_snd.sb_sel);
|
|
|
file->f_flag |= CYG_FREAD|CYG_FWRITE;
|
file->f_flag |= CYG_FREAD|CYG_FWRITE;
|
file->f_type = CYG_FILE_TYPE_SOCKET;
|
file->f_type = CYG_FILE_TYPE_SOCKET;
|
file->f_ops = &bsd_sock_fileops;
|
file->f_ops = &bsd_sock_fileops;
|
file->f_offset = 0;
|
file->f_offset = 0;
|
file->f_data = (CYG_ADDRWORD)so;
|
file->f_data = (CYG_ADDRWORD)so;
|
file->f_xops = (CYG_ADDRWORD)&bsd_sockops;
|
file->f_xops = (CYG_ADDRWORD)&bsd_sockops;
|
}
|
}
|
|
|
return error;
|
return error;
|
}
|
}
|
|
|
|
|
//==========================================================================
|
//==========================================================================
|
// Sockops functions
|
// Sockops functions
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_bind ( cyg_file *fp, const sockaddr *sa, socklen_t len )
|
static int bsd_bind ( cyg_file *fp, const sockaddr *sa, socklen_t len )
|
{
|
{
|
struct mbuf *nam;
|
struct mbuf *nam;
|
int error;
|
int error;
|
|
|
error = sockargs(&nam, (caddr_t)sa, len, MT_SONAME);
|
error = sockargs(&nam, (caddr_t)sa, len, MT_SONAME);
|
|
|
if (error)
|
if (error)
|
return (error);
|
return (error);
|
|
|
error = sobind((struct socket *)fp->f_data, nam);
|
error = sobind((struct socket *)fp->f_data, nam);
|
|
|
m_freem(nam);
|
m_freem(nam);
|
|
|
return error;
|
return error;
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_connect ( cyg_file *fp, const sockaddr *sa, socklen_t len )
|
static int bsd_connect ( cyg_file *fp, const sockaddr *sa, socklen_t len )
|
{
|
{
|
register struct socket *so;
|
register struct socket *so;
|
struct mbuf *nam;
|
struct mbuf *nam;
|
int error, s;
|
int error, s;
|
|
|
so = (struct socket *)fp->f_data;
|
so = (struct socket *)fp->f_data;
|
|
|
if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING))
|
if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING))
|
return (EALREADY);
|
return (EALREADY);
|
|
|
error = sockargs(&nam, (caddr_t)sa, len, MT_SONAME);
|
error = sockargs(&nam, (caddr_t)sa, len, MT_SONAME);
|
|
|
if (error)
|
if (error)
|
return (error);
|
return (error);
|
|
|
error = soconnect(so, nam);
|
error = soconnect(so, nam);
|
if (error)
|
if (error)
|
goto bad;
|
goto bad;
|
|
|
if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING)) {
|
if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING)) {
|
m_freem(nam);
|
m_freem(nam);
|
return (EINPROGRESS);
|
return (EINPROGRESS);
|
}
|
}
|
|
|
s = splsoftnet();
|
s = splsoftnet();
|
while ((so->so_state & SS_ISCONNECTING) && so->so_error == 0) {
|
while ((so->so_state & SS_ISCONNECTING) && so->so_error == 0) {
|
error = tsleep((caddr_t)&so->so_timeo, PSOCK | PCATCH,
|
error = tsleep((caddr_t)&so->so_timeo, PSOCK | PCATCH,
|
netcon, 0);
|
netcon, 0);
|
if (error)
|
if (error)
|
break;
|
break;
|
}
|
}
|
|
|
if (error == 0) {
|
if (error == 0) {
|
error = so->so_error;
|
error = so->so_error;
|
so->so_error = 0;
|
so->so_error = 0;
|
}
|
}
|
|
|
splx(s);
|
splx(s);
|
|
|
bad:
|
bad:
|
so->so_state &= ~SS_ISCONNECTING;
|
so->so_state &= ~SS_ISCONNECTING;
|
m_freem(nam);
|
m_freem(nam);
|
|
|
return error;
|
return error;
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_accept ( cyg_file *fp, cyg_file *new_fp,
|
static int bsd_accept ( cyg_file *fp, cyg_file *new_fp,
|
struct sockaddr *name, socklen_t *anamelen )
|
struct sockaddr *name, socklen_t *anamelen )
|
{
|
{
|
struct mbuf *nam;
|
struct mbuf *nam;
|
socklen_t namelen = 0;
|
socklen_t namelen = 0;
|
int error = 0, s;
|
int error = 0, s;
|
register struct socket *so;
|
register struct socket *so;
|
|
|
if( anamelen != NULL )
|
if( anamelen != NULL )
|
namelen = *anamelen;
|
namelen = *anamelen;
|
|
|
s = splsoftnet();
|
s = splsoftnet();
|
so = (struct socket *)fp->f_data;
|
so = (struct socket *)fp->f_data;
|
|
|
if ((so->so_options & SO_ACCEPTCONN) == 0) {
|
if ((so->so_options & SO_ACCEPTCONN) == 0) {
|
splx(s);
|
splx(s);
|
return (EINVAL);
|
return (EINVAL);
|
}
|
}
|
|
|
if ((so->so_state & SS_NBIO) && so->so_qlen == 0) {
|
if ((so->so_state & SS_NBIO) && so->so_qlen == 0) {
|
splx(s);
|
splx(s);
|
return (EWOULDBLOCK);
|
return (EWOULDBLOCK);
|
}
|
}
|
|
|
while (so->so_qlen == 0 && so->so_error == 0) {
|
while (so->so_qlen == 0 && so->so_error == 0) {
|
if (so->so_state & SS_CANTRCVMORE) {
|
if (so->so_state & SS_CANTRCVMORE) {
|
so->so_error = ECONNABORTED;
|
so->so_error = ECONNABORTED;
|
break;
|
break;
|
}
|
}
|
error = tsleep((caddr_t)&so->so_timeo, PSOCK | PCATCH,
|
error = tsleep((caddr_t)&so->so_timeo, PSOCK | PCATCH,
|
netcon, 0);
|
netcon, 0);
|
if (error) {
|
if (error) {
|
splx(s);
|
splx(s);
|
return (error);
|
return (error);
|
}
|
}
|
}
|
}
|
|
|
if (so->so_error) {
|
if (so->so_error) {
|
error = so->so_error;
|
error = so->so_error;
|
so->so_error = 0;
|
so->so_error = 0;
|
splx(s);
|
splx(s);
|
return (error);
|
return (error);
|
}
|
}
|
|
|
{
|
{
|
struct socket *aso = so->so_q;
|
struct socket *aso = so->so_q;
|
if (soqremque(aso, 1) == 0)
|
if (soqremque(aso, 1) == 0)
|
panic("accept");
|
panic("accept");
|
so = aso;
|
so = aso;
|
}
|
}
|
|
|
cyg_selinit(&so->so_rcv.sb_sel);
|
cyg_selinit(&so->so_rcv.sb_sel);
|
cyg_selinit(&so->so_snd.sb_sel);
|
cyg_selinit(&so->so_snd.sb_sel);
|
|
|
new_fp->f_type = DTYPE_SOCKET;
|
new_fp->f_type = DTYPE_SOCKET;
|
new_fp->f_flag |= FREAD|FWRITE;
|
new_fp->f_flag |= FREAD|FWRITE;
|
new_fp->f_offset = 0;
|
new_fp->f_offset = 0;
|
new_fp->f_ops = &bsd_sock_fileops;
|
new_fp->f_ops = &bsd_sock_fileops;
|
new_fp->f_data = (CYG_ADDRWORD)so;
|
new_fp->f_data = (CYG_ADDRWORD)so;
|
new_fp->f_xops = (CYG_ADDRWORD)&bsd_sockops;
|
new_fp->f_xops = (CYG_ADDRWORD)&bsd_sockops;
|
|
|
nam = m_get(M_WAIT, MT_SONAME);
|
nam = m_get(M_WAIT, MT_SONAME);
|
(void) soaccept(so, nam);
|
(void) soaccept(so, nam);
|
if (name) {
|
if (name) {
|
if (namelen > nam->m_len)
|
if (namelen > nam->m_len)
|
namelen = nam->m_len;
|
namelen = nam->m_len;
|
/* SHOULD COPY OUT A CHAIN HERE */
|
/* SHOULD COPY OUT A CHAIN HERE */
|
if ((error = copyout(mtod(nam, caddr_t),
|
if ((error = copyout(mtod(nam, caddr_t),
|
(caddr_t)name, namelen)) == 0)
|
(caddr_t)name, namelen)) == 0)
|
*anamelen = namelen;
|
*anamelen = namelen;
|
}
|
}
|
m_freem(nam);
|
m_freem(nam);
|
splx(s);
|
splx(s);
|
|
|
return (error);
|
return (error);
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_listen ( cyg_file *fp, int backlog )
|
static int bsd_listen ( cyg_file *fp, int backlog )
|
{
|
{
|
return (solisten((struct socket *)fp->f_data, backlog));
|
return (solisten((struct socket *)fp->f_data, backlog));
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_getname ( cyg_file *fp, sockaddr *asa, socklen_t *alen, int peer )
|
static int bsd_getname ( cyg_file *fp, sockaddr *asa, socklen_t *alen, int peer )
|
{
|
{
|
register struct socket *so;
|
register struct socket *so;
|
struct mbuf *m;
|
struct mbuf *m;
|
socklen_t len = 0;
|
socklen_t len = 0;
|
int error;
|
int error;
|
int type = peer ? PRU_PEERADDR : PRU_SOCKADDR;
|
int type = peer ? PRU_PEERADDR : PRU_SOCKADDR;
|
|
|
if( alen != NULL )
|
if( alen != NULL )
|
len = *alen;
|
len = *alen;
|
|
|
so = (struct socket *)fp->f_data;
|
so = (struct socket *)fp->f_data;
|
|
|
if ( peer && (so->so_state & (SS_ISCONNECTED|SS_ISCONFIRMING)) == 0)
|
if ( peer && (so->so_state & (SS_ISCONNECTED|SS_ISCONFIRMING)) == 0)
|
return (ENOTCONN);
|
return (ENOTCONN);
|
|
|
m = m_getclr(M_WAIT, MT_SONAME);
|
m = m_getclr(M_WAIT, MT_SONAME);
|
if (m == NULL)
|
if (m == NULL)
|
return (ENOBUFS);
|
return (ENOBUFS);
|
|
|
error = (*so->so_proto->pr_usrreq)(so, type, 0, m, 0);
|
error = (*so->so_proto->pr_usrreq)(so, type, 0, m, 0);
|
if (error)
|
if (error)
|
goto bad;
|
goto bad;
|
|
|
if (len > m->m_len)
|
if (len > m->m_len)
|
len = m->m_len;
|
len = m->m_len;
|
|
|
error = copyout(mtod(m, caddr_t), (caddr_t)asa, len);
|
error = copyout(mtod(m, caddr_t), (caddr_t)asa, len);
|
|
|
if (error == 0)
|
if (error == 0)
|
*alen = len;
|
*alen = len;
|
|
|
bad:
|
bad:
|
m_freem(m);
|
m_freem(m);
|
|
|
return (error);
|
return (error);
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_shutdown ( cyg_file *fp, int how )
|
static int bsd_shutdown ( cyg_file *fp, int how )
|
{
|
{
|
return (soshutdown((struct socket *)fp->f_data, how));
|
return (soshutdown((struct socket *)fp->f_data, how));
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_getsockopt( cyg_file *fp, int level, int optname,
|
static int bsd_getsockopt( cyg_file *fp, int level, int optname,
|
void *optval, socklen_t *optlen)
|
void *optval, socklen_t *optlen)
|
{
|
{
|
struct mbuf *m = NULL;
|
struct mbuf *m = NULL;
|
socklen_t valsize = 0;
|
socklen_t valsize = 0;
|
int error;
|
int error;
|
|
|
if( optval != NULL && optlen != NULL )
|
if( optval != NULL && optlen != NULL )
|
valsize = *optlen;
|
valsize = *optlen;
|
|
|
error = sogetopt((struct socket *)fp->f_data, level, optname, &m);
|
error = sogetopt((struct socket *)fp->f_data, level, optname, &m);
|
|
|
if( error == ENOERR && valsize != 0 && m != NULL)
|
if( error == ENOERR && valsize != 0 && m != NULL)
|
{
|
{
|
if (valsize > m->m_len)
|
if (valsize > m->m_len)
|
valsize = m->m_len;
|
valsize = m->m_len;
|
|
|
error = copyout(mtod(m, caddr_t), optval, valsize);
|
error = copyout(mtod(m, caddr_t), optval, valsize);
|
|
|
if( error == ENOERR )
|
if( error == ENOERR )
|
*optlen = valsize;
|
*optlen = valsize;
|
|
|
}
|
}
|
|
|
if (m != NULL)
|
if (m != NULL)
|
(void) m_free(m);
|
(void) m_free(m);
|
return (error);
|
return (error);
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_setsockopt( cyg_file *fp, int level, int optname,
|
static int bsd_setsockopt( cyg_file *fp, int level, int optname,
|
const void *optval, socklen_t optlen)
|
const void *optval, socklen_t optlen)
|
{
|
{
|
int error;
|
int error;
|
struct mbuf *m = NULL;
|
struct mbuf *m = NULL;
|
|
|
if( optlen > MCLBYTES )
|
if( optlen > MCLBYTES )
|
return EINVAL;
|
return EINVAL;
|
|
|
if (optval != NULL) {
|
if (optval != NULL) {
|
m = m_get(M_WAIT, MT_SOOPTS);
|
m = m_get(M_WAIT, MT_SOOPTS);
|
if (optlen > MLEN) {
|
if (optlen > MLEN) {
|
MCLGET(m, M_DONTWAIT);
|
MCLGET(m, M_DONTWAIT);
|
if ((m->m_flags & M_EXT) == 0) {
|
if ((m->m_flags & M_EXT) == 0) {
|
m_freem(m);
|
m_freem(m);
|
return (ENOBUFS);
|
return (ENOBUFS);
|
}
|
}
|
}
|
}
|
if (m == NULL)
|
if (m == NULL)
|
return (ENOBUFS);
|
return (ENOBUFS);
|
error = copyin(optval, mtod(m, caddr_t), optlen);
|
error = copyin(optval, mtod(m, caddr_t), optlen);
|
if (error) {
|
if (error) {
|
(void) m_free(m);
|
(void) m_free(m);
|
return (error);
|
return (error);
|
}
|
}
|
m->m_len = optlen;
|
m->m_len = optlen;
|
}
|
}
|
|
|
return (sosetopt((struct socket *)fp->f_data, level, optname, m));
|
return (sosetopt((struct socket *)fp->f_data, level, optname, m));
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_sendmsg ( cyg_file *fp, const struct msghdr *m, int flags, ssize_t *retsize )
|
static int bsd_sendmsg ( cyg_file *fp, const struct msghdr *m, int flags, ssize_t *retsize )
|
{
|
{
|
return bsd_sendit( fp, m, flags, retsize);
|
return bsd_sendit( fp, m, flags, retsize);
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_recvmsg ( cyg_file *fp, struct msghdr *m, socklen_t *namelen, ssize_t *retsize )
|
static int bsd_recvmsg ( cyg_file *fp, struct msghdr *m, socklen_t *namelen, ssize_t *retsize )
|
{
|
{
|
return bsd_recvit( fp, m, namelen, retsize);
|
return bsd_recvit( fp, m, namelen, retsize);
|
}
|
}
|
|
|
//==========================================================================
|
//==========================================================================
|
// File system call functions
|
// File system call functions
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_read (struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
|
static int bsd_read (struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
|
{
|
{
|
return (soreceive((struct socket *)fp->f_data, (struct mbuf **)0,
|
return (soreceive((struct socket *)fp->f_data, (struct mbuf **)0,
|
uio, (struct mbuf **)0, (struct mbuf **)0, (int *)0));
|
uio, (struct mbuf **)0, (struct mbuf **)0, (int *)0));
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_write (struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
|
static int bsd_write (struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
|
{
|
{
|
return (sosend((struct socket *)fp->f_data, (struct mbuf *)0,
|
return (sosend((struct socket *)fp->f_data, (struct mbuf *)0,
|
uio, (struct mbuf *)0, (struct mbuf *)0, 0));
|
uio, (struct mbuf *)0, (struct mbuf *)0, 0));
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_lseek (struct CYG_FILE_TAG *fp, off_t *pos, int whence )
|
static int bsd_lseek (struct CYG_FILE_TAG *fp, off_t *pos, int whence )
|
{
|
{
|
return ESPIPE;
|
return ESPIPE;
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_ioctl (struct CYG_FILE_TAG *fp, CYG_ADDRWORD cmd,
|
static int bsd_ioctl (struct CYG_FILE_TAG *fp, CYG_ADDRWORD cmd,
|
CYG_ADDRWORD data)
|
CYG_ADDRWORD data)
|
{
|
{
|
register struct socket *so = (struct socket *)fp->f_data;
|
register struct socket *so = (struct socket *)fp->f_data;
|
void *p = 0;
|
void *p = 0;
|
|
|
switch (cmd) {
|
switch (cmd) {
|
|
|
case FIONBIO:
|
case FIONBIO:
|
if (*(int *)data)
|
if (*(int *)data)
|
so->so_state |= SS_NBIO;
|
so->so_state |= SS_NBIO;
|
else
|
else
|
so->so_state &= ~SS_NBIO;
|
so->so_state &= ~SS_NBIO;
|
return (0);
|
return (0);
|
|
|
case FIOASYNC:
|
case FIOASYNC:
|
if (*(int *)data) {
|
if (*(int *)data) {
|
so->so_state |= SS_ASYNC;
|
so->so_state |= SS_ASYNC;
|
so->so_rcv.sb_flags |= SB_ASYNC;
|
so->so_rcv.sb_flags |= SB_ASYNC;
|
so->so_snd.sb_flags |= SB_ASYNC;
|
so->so_snd.sb_flags |= SB_ASYNC;
|
} else {
|
} else {
|
so->so_state &= ~SS_ASYNC;
|
so->so_state &= ~SS_ASYNC;
|
so->so_rcv.sb_flags &= ~SB_ASYNC;
|
so->so_rcv.sb_flags &= ~SB_ASYNC;
|
so->so_snd.sb_flags &= ~SB_ASYNC;
|
so->so_snd.sb_flags &= ~SB_ASYNC;
|
}
|
}
|
return (0);
|
return (0);
|
|
|
case FIONREAD:
|
case FIONREAD:
|
*(int *)data = so->so_rcv.sb_cc;
|
*(int *)data = so->so_rcv.sb_cc;
|
return (0);
|
return (0);
|
|
|
case SIOCATMARK:
|
case SIOCATMARK:
|
*(int *)data = (so->so_state&SS_RCVATMARK) != 0;
|
*(int *)data = (so->so_state&SS_RCVATMARK) != 0;
|
return (0);
|
return (0);
|
}
|
}
|
/*
|
/*
|
* Interface/routing/protocol specific ioctls:
|
* Interface/routing/protocol specific ioctls:
|
* interface and routing ioctls should have a
|
* interface and routing ioctls should have a
|
* different entry since a socket's unnecessary
|
* different entry since a socket's unnecessary
|
*/
|
*/
|
if (IOCGROUP(cmd) == 'i')
|
if (IOCGROUP(cmd) == 'i')
|
return (ifioctl(so, (u_long)cmd, (caddr_t)data, p));
|
return (ifioctl(so, (u_long)cmd, (caddr_t)data, p));
|
if (IOCGROUP(cmd) == 'r')
|
if (IOCGROUP(cmd) == 'r')
|
return (rtioctl((u_long)cmd, (caddr_t)data, p));
|
return (rtioctl((u_long)cmd, (caddr_t)data, p));
|
return ((*so->so_proto->pr_usrreq)(so, PRU_CONTROL,
|
return ((*so->so_proto->pr_usrreq)(so, PRU_CONTROL,
|
(struct mbuf *)cmd, (struct mbuf *)data, (struct mbuf *)0));
|
(struct mbuf *)cmd, (struct mbuf *)data, (struct mbuf *)0));
|
|
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_select (struct CYG_FILE_TAG *fp, int which, CYG_ADDRWORD info)
|
static int bsd_select (struct CYG_FILE_TAG *fp, int which, CYG_ADDRWORD info)
|
{
|
{
|
register struct socket *so = (struct socket *)fp->f_data;
|
register struct socket *so = (struct socket *)fp->f_data;
|
register int s = splsoftnet();
|
register int s = splsoftnet();
|
|
|
switch (which) {
|
switch (which) {
|
|
|
case FREAD:
|
case FREAD:
|
if (soreadable(so)) {
|
if (soreadable(so)) {
|
splx(s);
|
splx(s);
|
return (1);
|
return (1);
|
}
|
}
|
cyg_selrecord(info, &so->so_rcv.sb_sel);
|
cyg_selrecord(info, &so->so_rcv.sb_sel);
|
so->so_rcv.sb_flags |= SB_SEL;
|
so->so_rcv.sb_flags |= SB_SEL;
|
break;
|
break;
|
|
|
case FWRITE:
|
case FWRITE:
|
if (sowriteable(so)) {
|
if (sowriteable(so)) {
|
splx(s);
|
splx(s);
|
return (1);
|
return (1);
|
}
|
}
|
cyg_selrecord(info, &so->so_snd.sb_sel);
|
cyg_selrecord(info, &so->so_snd.sb_sel);
|
so->so_snd.sb_flags |= SB_SEL;
|
so->so_snd.sb_flags |= SB_SEL;
|
break;
|
break;
|
|
|
case 0:
|
case 0:
|
if (so->so_oobmark || (so->so_state & SS_RCVATMARK)) {
|
if (so->so_oobmark || (so->so_state & SS_RCVATMARK)) {
|
splx(s);
|
splx(s);
|
return (1);
|
return (1);
|
}
|
}
|
cyg_selrecord(info, &so->so_rcv.sb_sel);
|
cyg_selrecord(info, &so->so_rcv.sb_sel);
|
so->so_rcv.sb_flags |= SB_SEL;
|
so->so_rcv.sb_flags |= SB_SEL;
|
break;
|
break;
|
}
|
}
|
splx(s);
|
splx(s);
|
|
|
return ENOERR;
|
return ENOERR;
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_fsync (struct CYG_FILE_TAG *fp, int mode )
|
static int bsd_fsync (struct CYG_FILE_TAG *fp, int mode )
|
{
|
{
|
// FIXME: call some sort of flush IOCTL?
|
// FIXME: call some sort of flush IOCTL?
|
return 0;
|
return 0;
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_close (struct CYG_FILE_TAG *fp)
|
static int bsd_close (struct CYG_FILE_TAG *fp)
|
{
|
{
|
int error = 0;
|
int error = 0;
|
|
|
if (fp->f_data)
|
if (fp->f_data)
|
error = soclose((struct socket *)fp->f_data);
|
error = soclose((struct socket *)fp->f_data);
|
fp->f_data = 0;
|
fp->f_data = 0;
|
return (error);
|
return (error);
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_fstat (struct CYG_FILE_TAG *fp, struct stat *buf )
|
static int bsd_fstat (struct CYG_FILE_TAG *fp, struct stat *buf )
|
{
|
{
|
register struct socket *so = (struct socket *)fp->f_data;
|
register struct socket *so = (struct socket *)fp->f_data;
|
|
|
bzero((caddr_t)buf, sizeof (*buf));
|
bzero((caddr_t)buf, sizeof (*buf));
|
|
|
// Mark socket as a fifo for now. We need to add socket types to
|
// Mark socket as a fifo for now. We need to add socket types to
|
// sys/stat.h.
|
// sys/stat.h.
|
buf->st_mode = __stat_mode_FIFO;
|
buf->st_mode = __stat_mode_FIFO;
|
|
|
return ((*so->so_proto->pr_usrreq)(so, PRU_SENSE,
|
return ((*so->so_proto->pr_usrreq)(so, PRU_SENSE,
|
(struct mbuf *)buf,
|
(struct mbuf *)buf,
|
(struct mbuf *)0,
|
(struct mbuf *)0,
|
(struct mbuf *)0));
|
(struct mbuf *)0));
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_getinfo (struct CYG_FILE_TAG *fp, int key, void *buf, int len )
|
static int bsd_getinfo (struct CYG_FILE_TAG *fp, int key, void *buf, int len )
|
{
|
{
|
return ENOSYS;
|
return ENOSYS;
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static int bsd_setinfo (struct CYG_FILE_TAG *fp, int key, void *buf, int len )
|
static int bsd_setinfo (struct CYG_FILE_TAG *fp, int key, void *buf, int len )
|
{
|
{
|
return ENOSYS;
|
return ENOSYS;
|
}
|
}
|
|
|
|
|
|
|
//==========================================================================
|
//==========================================================================
|
// Select support
|
// Select support
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
// This function is called by the lower layers to record the
|
// This function is called by the lower layers to record the
|
// fact that a particular 'select' event is being requested.
|
// fact that a particular 'select' event is being requested.
|
//
|
//
|
|
|
void
|
void
|
selrecord(void *selector, struct selinfo *info)
|
selrecord(void *selector, struct selinfo *info)
|
{
|
{
|
// Unused by this implementation
|
// Unused by this implementation
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
// This function is called to indicate that a 'select' event
|
// This function is called to indicate that a 'select' event
|
// may have occurred.
|
// may have occurred.
|
//
|
//
|
|
|
void
|
void
|
selwakeup(struct selinfo *info)
|
selwakeup(struct selinfo *info)
|
{
|
{
|
cyg_selwakeup( info );
|
cyg_selwakeup( info );
|
}
|
}
|
|
|
//==========================================================================
|
//==========================================================================
|
// Misc support functions
|
// Misc support functions
|
|
|
int
|
int
|
sockargs(mp, buf, buflen, type)
|
sockargs(mp, buf, buflen, type)
|
struct mbuf **mp;
|
struct mbuf **mp;
|
caddr_t buf;
|
caddr_t buf;
|
socklen_t buflen;
|
socklen_t buflen;
|
int type;
|
int type;
|
{
|
{
|
register struct sockaddr *sa;
|
register struct sockaddr *sa;
|
register struct mbuf *m;
|
register struct mbuf *m;
|
int error;
|
int error;
|
|
|
if (buflen > MLEN) {
|
if (buflen > MLEN) {
|
#ifdef COMPAT_OLDSOCK
|
#ifdef COMPAT_OLDSOCK
|
if (type == MT_SONAME && buflen <= 112)
|
if (type == MT_SONAME && buflen <= 112)
|
buflen = MLEN; /* unix domain compat. hack */
|
buflen = MLEN; /* unix domain compat. hack */
|
else
|
else
|
#endif
|
#endif
|
return (EINVAL);
|
return (EINVAL);
|
}
|
}
|
m = m_get(M_WAIT, type);
|
m = m_get(M_WAIT, type);
|
if (m == NULL)
|
if (m == NULL)
|
return (ENOBUFS);
|
return (ENOBUFS);
|
m->m_len = buflen;
|
m->m_len = buflen;
|
error = copyin(buf, mtod(m, caddr_t), buflen);
|
error = copyin(buf, mtod(m, caddr_t), buflen);
|
if (error) {
|
if (error) {
|
(void) m_free(m);
|
(void) m_free(m);
|
return (error);
|
return (error);
|
}
|
}
|
*mp = m;
|
*mp = m;
|
if (type == MT_SONAME) {
|
if (type == MT_SONAME) {
|
sa = mtod(m, struct sockaddr *);
|
sa = mtod(m, struct sockaddr *);
|
|
|
#if defined(COMPAT_OLDSOCK) && BYTE_ORDER != BIG_ENDIAN
|
#if defined(COMPAT_OLDSOCK) && BYTE_ORDER != BIG_ENDIAN
|
if (sa->sa_family == 0 && sa->sa_len < AF_MAX)
|
if (sa->sa_family == 0 && sa->sa_len < AF_MAX)
|
sa->sa_family = sa->sa_len;
|
sa->sa_family = sa->sa_len;
|
#endif
|
#endif
|
sa->sa_len = buflen;
|
sa->sa_len = buflen;
|
}
|
}
|
return (0);
|
return (0);
|
}
|
}
|
|
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
// bsd_recvit()
|
// bsd_recvit()
|
// Support for message reception. This is a lightly edited version of the
|
// Support for message reception. This is a lightly edited version of the
|
// recvit() function is uipc_syscalls.c.
|
// recvit() function is uipc_syscalls.c.
|
|
|
static int
|
static int
|
bsd_recvit(cyg_file *fp, struct msghdr *mp, socklen_t *namelenp, ssize_t *retsize)
|
bsd_recvit(cyg_file *fp, struct msghdr *mp, socklen_t *namelenp, ssize_t *retsize)
|
{
|
{
|
struct uio auio;
|
struct uio auio;
|
register struct iovec *iov;
|
register struct iovec *iov;
|
register int i;
|
register int i;
|
size_t len;
|
size_t len;
|
int error;
|
int error;
|
struct mbuf *from = 0, *control = 0;
|
struct mbuf *from = 0, *control = 0;
|
|
|
auio.uio_iov = mp->msg_iov;
|
auio.uio_iov = mp->msg_iov;
|
auio.uio_iovcnt = mp->msg_iovlen;
|
auio.uio_iovcnt = mp->msg_iovlen;
|
auio.uio_segflg = UIO_USERSPACE;
|
auio.uio_segflg = UIO_USERSPACE;
|
auio.uio_rw = UIO_READ;
|
auio.uio_rw = UIO_READ;
|
auio.uio_offset = 0; /* XXX */
|
auio.uio_offset = 0; /* XXX */
|
auio.uio_resid = 0;
|
auio.uio_resid = 0;
|
iov = mp->msg_iov;
|
iov = mp->msg_iov;
|
for (i = 0; i < mp->msg_iovlen; i++, iov++) {
|
for (i = 0; i < mp->msg_iovlen; i++, iov++) {
|
/* Don't allow sum > SSIZE_MAX */
|
/* Don't allow sum > SSIZE_MAX */
|
if (iov->iov_len > SSIZE_MAX ||
|
if (iov->iov_len > SSIZE_MAX ||
|
(auio.uio_resid += iov->iov_len) > SSIZE_MAX)
|
(auio.uio_resid += iov->iov_len) > SSIZE_MAX)
|
return (EINVAL);
|
return (EINVAL);
|
}
|
}
|
|
|
len = auio.uio_resid;
|
len = auio.uio_resid;
|
error = soreceive((struct socket *)fp->f_data, &from, &auio,
|
error = soreceive((struct socket *)fp->f_data, &from, &auio,
|
NULL, mp->msg_control ? &control : NULL,
|
NULL, mp->msg_control ? &control : NULL,
|
&mp->msg_flags);
|
&mp->msg_flags);
|
if (error) {
|
if (error) {
|
if (auio.uio_resid != len &&
|
if (auio.uio_resid != len &&
|
(error == EINTR || error == EWOULDBLOCK))
|
(error == EINTR || error == EWOULDBLOCK))
|
error = 0;
|
error = 0;
|
}
|
}
|
if (error)
|
if (error)
|
goto out;
|
goto out;
|
*retsize = len - auio.uio_resid;
|
*retsize = len - auio.uio_resid;
|
if (mp->msg_name) {
|
if (mp->msg_name) {
|
len = mp->msg_namelen;
|
len = mp->msg_namelen;
|
if (len <= 0 || from == 0)
|
if (len <= 0 || from == 0)
|
len = 0;
|
len = 0;
|
else {
|
else {
|
/* save sa_len before it is destroyed by MSG_COMPAT */
|
/* save sa_len before it is destroyed by MSG_COMPAT */
|
if (len > from->m_len)
|
if (len > from->m_len)
|
len = from->m_len;
|
len = from->m_len;
|
/* else if len < from->m_len ??? */
|
/* else if len < from->m_len ??? */
|
#ifdef COMPAT_OLDSOCK
|
#ifdef COMPAT_OLDSOCK
|
if (mp->msg_flags & MSG_COMPAT)
|
if (mp->msg_flags & MSG_COMPAT)
|
mtod(from, struct osockaddr *)->sa_family =
|
mtod(from, struct osockaddr *)->sa_family =
|
mtod(from, struct sockaddr *)->sa_family;
|
mtod(from, struct sockaddr *)->sa_family;
|
#endif
|
#endif
|
error = copyout(mtod(from, caddr_t),
|
error = copyout(mtod(from, caddr_t),
|
(caddr_t)mp->msg_name, (unsigned)len);
|
(caddr_t)mp->msg_name, (unsigned)len);
|
if (error)
|
if (error)
|
goto out;
|
goto out;
|
}
|
}
|
mp->msg_namelen = len;
|
mp->msg_namelen = len;
|
if (namelenp ) {
|
if (namelenp ) {
|
*namelenp = len;
|
*namelenp = len;
|
#ifdef COMPAT_OLDSOCK
|
#ifdef COMPAT_OLDSOCK
|
if (mp->msg_flags & MSG_COMPAT)
|
if (mp->msg_flags & MSG_COMPAT)
|
error = 0; /* old recvfrom didn't check */
|
error = 0; /* old recvfrom didn't check */
|
else
|
else
|
#endif
|
#endif
|
goto out;
|
goto out;
|
}
|
}
|
}
|
}
|
if (mp->msg_control) {
|
if (mp->msg_control) {
|
#ifdef COMPAT_OLDSOCK
|
#ifdef COMPAT_OLDSOCK
|
/*
|
/*
|
* We assume that old recvmsg calls won't receive access
|
* We assume that old recvmsg calls won't receive access
|
* rights and other control info, esp. as control info
|
* rights and other control info, esp. as control info
|
* is always optional and those options didn't exist in 4.3.
|
* is always optional and those options didn't exist in 4.3.
|
* If we receive rights, trim the cmsghdr; anything else
|
* If we receive rights, trim the cmsghdr; anything else
|
* is tossed.
|
* is tossed.
|
*/
|
*/
|
if (control && mp->msg_flags & MSG_COMPAT) {
|
if (control && mp->msg_flags & MSG_COMPAT) {
|
if (mtod(control, struct cmsghdr *)->cmsg_level !=
|
if (mtod(control, struct cmsghdr *)->cmsg_level !=
|
SOL_SOCKET ||
|
SOL_SOCKET ||
|
mtod(control, struct cmsghdr *)->cmsg_type !=
|
mtod(control, struct cmsghdr *)->cmsg_type !=
|
SCM_RIGHTS) {
|
SCM_RIGHTS) {
|
mp->msg_controllen = 0;
|
mp->msg_controllen = 0;
|
goto out;
|
goto out;
|
}
|
}
|
control->m_len -= sizeof (struct cmsghdr);
|
control->m_len -= sizeof (struct cmsghdr);
|
control->m_data += sizeof (struct cmsghdr);
|
control->m_data += sizeof (struct cmsghdr);
|
}
|
}
|
#endif
|
#endif
|
len = mp->msg_controllen;
|
len = mp->msg_controllen;
|
if (len <= 0 || control == 0)
|
if (len <= 0 || control == 0)
|
len = 0;
|
len = 0;
|
else {
|
else {
|
struct mbuf *m = control;
|
struct mbuf *m = control;
|
caddr_t p = (caddr_t)mp->msg_control;
|
caddr_t p = (caddr_t)mp->msg_control;
|
|
|
do {
|
do {
|
i = m->m_len;
|
i = m->m_len;
|
if (len < i) {
|
if (len < i) {
|
mp->msg_flags |= MSG_CTRUNC;
|
mp->msg_flags |= MSG_CTRUNC;
|
i = len;
|
i = len;
|
}
|
}
|
error = copyout(mtod(m, caddr_t), p,
|
error = copyout(mtod(m, caddr_t), p,
|
(unsigned)i);
|
(unsigned)i);
|
if (m->m_next)
|
if (m->m_next)
|
i = ALIGN(i);
|
i = ALIGN(i);
|
p += i;
|
p += i;
|
len -= i;
|
len -= i;
|
if (error != 0 || len <= 0)
|
if (error != 0 || len <= 0)
|
break;
|
break;
|
} while ((m = m->m_next) != NULL);
|
} while ((m = m->m_next) != NULL);
|
len = p - (caddr_t)mp->msg_control;
|
len = p - (caddr_t)mp->msg_control;
|
}
|
}
|
mp->msg_controllen = len;
|
mp->msg_controllen = len;
|
}
|
}
|
out:
|
out:
|
if (from)
|
if (from)
|
m_freem(from);
|
m_freem(from);
|
if (control)
|
if (control)
|
m_freem(control);
|
m_freem(control);
|
return (error);
|
return (error);
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
// sendit()
|
// sendit()
|
// Support for message transmission. This is a lightly edited version of the
|
// Support for message transmission. This is a lightly edited version of the
|
// synonymous function is uipc_syscalls.c.
|
// synonymous function is uipc_syscalls.c.
|
|
|
static int
|
static int
|
bsd_sendit(cyg_file *fp, const struct msghdr *mp, int flags, ssize_t *retsize)
|
bsd_sendit(cyg_file *fp, const struct msghdr *mp, int flags, ssize_t *retsize)
|
{
|
{
|
struct uio auio;
|
struct uio auio;
|
register struct iovec *iov;
|
register struct iovec *iov;
|
register int i;
|
register int i;
|
struct mbuf *to, *control;
|
struct mbuf *to, *control;
|
int len, error;
|
int len, error;
|
|
|
auio.uio_iov = mp->msg_iov;
|
auio.uio_iov = mp->msg_iov;
|
auio.uio_iovcnt = mp->msg_iovlen;
|
auio.uio_iovcnt = mp->msg_iovlen;
|
auio.uio_segflg = UIO_USERSPACE;
|
auio.uio_segflg = UIO_USERSPACE;
|
auio.uio_rw = UIO_WRITE;
|
auio.uio_rw = UIO_WRITE;
|
auio.uio_offset = 0; /* XXX */
|
auio.uio_offset = 0; /* XXX */
|
auio.uio_resid = 0;
|
auio.uio_resid = 0;
|
iov = mp->msg_iov;
|
iov = mp->msg_iov;
|
for (i = 0; i < mp->msg_iovlen; i++, iov++) {
|
for (i = 0; i < mp->msg_iovlen; i++, iov++) {
|
/* Don't allow sum > SSIZE_MAX */
|
/* Don't allow sum > SSIZE_MAX */
|
if (iov->iov_len > SSIZE_MAX ||
|
if (iov->iov_len > SSIZE_MAX ||
|
(auio.uio_resid += iov->iov_len) > SSIZE_MAX)
|
(auio.uio_resid += iov->iov_len) > SSIZE_MAX)
|
return (EINVAL);
|
return (EINVAL);
|
}
|
}
|
if (mp->msg_name) {
|
if (mp->msg_name) {
|
error = sockargs(&to, mp->msg_name, mp->msg_namelen,
|
error = sockargs(&to, mp->msg_name, mp->msg_namelen,
|
MT_SONAME);
|
MT_SONAME);
|
if (error)
|
if (error)
|
return (error);
|
return (error);
|
} else
|
} else
|
to = 0;
|
to = 0;
|
if (mp->msg_control) {
|
if (mp->msg_control) {
|
if (mp->msg_controllen < sizeof(struct cmsghdr)
|
if (mp->msg_controllen < sizeof(struct cmsghdr)
|
#ifdef COMPAT_OLDSOCK
|
#ifdef COMPAT_OLDSOCK
|
&& mp->msg_flags != MSG_COMPAT
|
&& mp->msg_flags != MSG_COMPAT
|
#endif
|
#endif
|
) {
|
) {
|
error = EINVAL;
|
error = EINVAL;
|
goto bad;
|
goto bad;
|
}
|
}
|
error = sockargs(&control, mp->msg_control,
|
error = sockargs(&control, mp->msg_control,
|
mp->msg_controllen, MT_CONTROL);
|
mp->msg_controllen, MT_CONTROL);
|
if (error)
|
if (error)
|
goto bad;
|
goto bad;
|
#ifdef COMPAT_OLDSOCK
|
#ifdef COMPAT_OLDSOCK
|
if (mp->msg_flags == MSG_COMPAT) {
|
if (mp->msg_flags == MSG_COMPAT) {
|
register struct cmsghdr *cm;
|
register struct cmsghdr *cm;
|
|
|
M_PREPEND(control, sizeof(*cm), M_WAIT);
|
M_PREPEND(control, sizeof(*cm), M_WAIT);
|
if (control == 0) {
|
if (control == 0) {
|
error = ENOBUFS;
|
error = ENOBUFS;
|
goto bad;
|
goto bad;
|
} else {
|
} else {
|
cm = mtod(control, struct cmsghdr *);
|
cm = mtod(control, struct cmsghdr *);
|
cm->cmsg_len = control->m_len;
|
cm->cmsg_len = control->m_len;
|
cm->cmsg_level = SOL_SOCKET;
|
cm->cmsg_level = SOL_SOCKET;
|
cm->cmsg_type = SCM_RIGHTS;
|
cm->cmsg_type = SCM_RIGHTS;
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
} else
|
} else
|
control = 0;
|
control = 0;
|
|
|
len = auio.uio_resid;
|
len = auio.uio_resid;
|
error = sosend((struct socket *)fp->f_data, to, &auio,
|
error = sosend((struct socket *)fp->f_data, to, &auio,
|
NULL, control, flags);
|
NULL, control, flags);
|
if (error) {
|
if (error) {
|
if (auio.uio_resid != len &&
|
if (auio.uio_resid != len &&
|
(error == EINTR || error == EWOULDBLOCK))
|
(error == EINTR || error == EWOULDBLOCK))
|
error = 0;
|
error = 0;
|
#ifndef __ECOS
|
#ifndef __ECOS
|
if (error == EPIPE)
|
if (error == EPIPE)
|
psignal(p, SIGPIPE);
|
psignal(p, SIGPIPE);
|
#endif
|
#endif
|
}
|
}
|
if (error == 0)
|
if (error == 0)
|
*retsize = len - auio.uio_resid;
|
*retsize = len - auio.uio_resid;
|
bad:
|
bad:
|
if (to)
|
if (to)
|
m_freem(to);
|
m_freem(to);
|
return (error);
|
return (error);
|
}
|
}
|
|
|
|
|
//==========================================================================
|
//==========================================================================
|
// End of sockio.c
|
// End of sockio.c
|
|
|
