mirror of https://github.com/dzavalishin/oskit/
135 lines
4.4 KiB
C
Executable File
135 lines
4.4 KiB
C
Executable File
/*
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* Copyright (c) 1997-1999 University of Utah and the Flux Group.
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* All rights reserved.
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*
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* This file is part of the Flux OSKit. The OSKit is free software, also known
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* as "open source;" you can redistribute it and/or modify it under the terms
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* of the GNU General Public License (GPL), version 2, as published by the Free
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* Software Foundation (FSF). To explore alternate licensing terms, contact
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* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
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*
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* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
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* received a copy of the GPL along with the OSKit; see the file COPYING. If
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* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
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*/
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/*
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* Copyright (c) 1982, 1986, 1989, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*
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* bsdnet_connect() - derived from code in /usr/src/sys/kern/uipc_syscalls.c
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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#include <sys/proc.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <netinet/in.h>
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#include <oskit/net/freebsd.h>
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#include "glue.h"
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/*
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* simple connect
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*/
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int
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#if FLASK
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bsdnet_connect_secure(struct socket *so, struct sockaddr *name, oskit_size_t namelen, security_id_t peer_sid)
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#else
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bsdnet_connect(struct socket *so, struct sockaddr *name, oskit_size_t namelen)
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#endif
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{
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struct sockaddr *sa = 0;
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int error, s;
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struct proc p;
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if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING))
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return (EALREADY);
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OSKIT_FREEBSD_CREATE_CURPROC(p);
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error = getsockaddr(&sa, (caddr_t)name, namelen);
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if (error)
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{
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OSKIT_FREEBSD_DESTROY_CURPROC(p);
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return (error);
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}
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#if FLASK
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error = soconnect_secure(so, sa, peer_sid, &p);
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#else
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error = soconnect(so, sa, &p);
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#endif
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if (error)
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goto bad;
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if ((so->so_state & SS_NBIO) && (so->so_state & SS_ISCONNECTING)) {
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FREE(sa, M_SONAME);
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OSKIT_FREEBSD_DESTROY_CURPROC(p);
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return (EINPROGRESS);
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}
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s = splnet();
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while ((so->so_state & SS_ISCONNECTING) && so->so_error == 0) {
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error = tsleep((caddr_t)&so->so_timeo, PSOCK | PCATCH,
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"connec", 0);
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if (error)
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break;
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}
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if (error == 0) {
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error = so->so_error;
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so->so_error = 0;
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}
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splx(s);
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bad:
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so->so_state &= ~SS_ISCONNECTING;
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FREE(sa, M_SONAME);
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if (error == ERESTART)
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error = EINTR;
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OSKIT_FREEBSD_DESTROY_CURPROC(p);
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return (error);
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}
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#if FLASK
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int
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bsdnet_connect(struct socket *so, struct sockaddr *name, oskit_size_t namelen)
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{
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return bsdnet_connect_secure(so,name,namelen,SECSID_NULL);
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}
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#endif
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