/* $NetBSD: getpeereid.c,v 1.5 2017/04/18 18:41:46 christos Exp $ */ /* * 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" #include "getpeereid.h" #include <unistd.h> __RCSID("$NetBSD: getpeereid.c,v 1.5 2017/04/18 18:41:46 christos Exp $"); #if defined(SO_PEERCRED) int getpeereid(int s, uid_t *euid, gid_t *gid) { struct ucred cred; socklen_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) */ |