[openssh.git] / openbsd-compat / bsd-getpeereid.c

/*
 * 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.
 */

#include "includes.h"

RCSID("$Id$");

#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);
}
#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) */
Commit	Line	Data
10a560d4	1	/*
	2	* Copyright (c) 2002 Damien Miller. All rights reserved.
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	* 1. Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* 2. Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	14	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	15	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	16	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	17	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	18	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	19	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	20	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	21	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	22	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	23	*/
	24
	25	#include "includes.h"
	26
	27	RCSID("$Id$");
	28
	29	#if !defined(HAVE_GETPEEREID)
	30
	31	#if defined(SO_PEERCRED)
	32	int
	33	getpeereid(int s, uid_t euid, gid_t gid)
	34	{
	35	struct ucred cred;
	36	size_t len = sizeof(cred);
	37
	38	if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0)
	39	return (-1);
	40	*euid = cred.uid;
	41	*gid = cred.gid;
	42
	43	return (0);
	44	}
	45	#else
	46	int
	47	getpeereid(int s, uid_t euid, gid_t gid)
	48	{
	49	*euid = geteuid();
	50	*gid = getgid();
	51
	52	return (0);
	53	}
	54	#endif /* defined(SO_PEERCRED) */
	55
	56	#endif /* !defined(HAVE_GETPEEREID) */