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/* $OpenBSD: getpeereid.c,v 1.1 2010/07/01 19:15:30 deraadt Exp $ */
/*
* Copyright (c) 2010 Theo de Raadt <deraadt@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/socket.h>
int
getpeereid(int s, uid_t *euid, gid_t *egid)
{
struct sockpeercred creds;
socklen_t credslen = sizeof(creds);
int error;
error = getsockopt(s, SOL_SOCKET, SO_PEERCRED,
&creds, &credslen);
if (error)
return (error);
*euid = creds.uid;
*egid = creds.gid;
return (0);
}
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