NetBSD/sys/compat/common/uipc_usrreq_70.c
roy bb67ec8f00 Add sc_pid to sockcred so that SOCK_DGRAM and LOCAL_CREDS socket option
can learn the process id of the AF_LOCAL sender.
Add compat glue for old structure.
2016-04-06 19:45:45 +00:00

71 lines
2.5 KiB
C

/* $NetBSD: uipc_usrreq_70.c,v 1.1 2016/04/06 19:45:45 roy Exp $ */
/*-
* Copyright (c) 2016 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Roy Marples.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uipc_usrreq_70.c,v 1.1 2016/04/06 19:45:45 roy Exp $");
#include <sys/param.h>
#include <sys/lwp.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/unpcb.h>
#include <sys/mbuf.h>
#include <sys/kauth.h>
#include <compat/sys/socket.h>
#ifdef COMPAT_SOCKCRED70
struct mbuf *
compat_70_unp_addsockcred(struct lwp *l, struct mbuf *control)
{
struct sockcred70 *sc;
struct mbuf *m;
void *p;
m = sbcreatecontrol1(&p, SOCKCRED70SIZE(kauth_cred_ngroups(l->l_cred)),
SCM_OCREDS, SOL_SOCKET, M_WAITOK);
if (m == NULL)
return control;
sc = p;
sc->sc_uid = kauth_cred_getuid(l->l_cred);
sc->sc_euid = kauth_cred_geteuid(l->l_cred);
sc->sc_gid = kauth_cred_getgid(l->l_cred);
sc->sc_egid = kauth_cred_getegid(l->l_cred);
sc->sc_ngroups = kauth_cred_ngroups(l->l_cred);
for (int i = 0; i < sc->sc_ngroups; i++)
sc->sc_groups[i] = kauth_cred_group(l->l_cred, i);
return m_add(control, m);
}
#endif