bsd-getpeereid.c revision f48205be61a214698b763ff550ab9e657525104c
/*
* Copyright (c) 2002 Damien Miller. 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.
*
* 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.
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include "includes.h"
RCSID("$Id: bsd-getpeereid.c,v 1.1 2002/09/12 00:33:02 djm Exp $");
#pragma ident "%Z%%M% %I% %E% SMI"
#if !defined(HAVE_GETPEEREID)
#if defined(SO_PEERCRED)
int
getpeereid(int s, uid_t *euid, gid_t *gid)
{
struct ucred cred;
size_t len = sizeof(cred);
if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0)
return (-1);
*euid = cred.uid;
*gid = cred.gid;
return (0);
}
#elif defined(HAVE_GETPEERUCRED)
int
getpeereid(int s, uid_t *euid, gid_t *gid)
{
ucred_t *ucred = NULL;
if (getpeerucred(s, &ucred) == -1)
return (-1);
if ((*euid = ucred_geteuid(ucred)) == (uid_t)-1)
return (-1);
if ((*gid = ucred_getrgid(ucred)) == (gid_t)-1)
return (-1);
ucred_free(ucred);
return (0);
}
#else
int
getpeereid(int s, uid_t *euid, gid_t *gid)
{
*euid = geteuid();
*gid = getgid();
return (0);
}
#endif /* defined(SO_PEERCRED) */
#endif /* !defined(HAVE_GETPEEREID) */