getpeereid.c

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/*
 * Copyright (c) 2001 Dima Dorfman.
 * 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 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 AUTHOR 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>
#include <wintirpc.h>
#include <rpc/types.h>
//#include <sys/param.h>
//#include <sys/socket.h>
//#include <sys/un.h>
 
#include <errno.h>
//#include <unistd.h>
 
#ifdef _WIN32
int
getpeereid(SOCKET s, uid_t *euid, gid_t *egid)
{
    // XXX Need to figure out what to do here for Windows!
    return -1;
}
#else
int
getpeereid(int s, uid_t *euid, gid_t *egid)
{
    struct ucred uc;
    socklen_t uclen;
    int error;
 
    uclen = sizeof(uc); 
    error = getsockopt(s, SOL_SOCKET, SO_PEERCRED, &uc, &uclen); /*  SCM_CREDENTIALS */
    if (error != 0)
        return (error);
    //  if (uc.cr_version != XUCRED_VERSION)
    //  return (EINVAL);
    *euid = uc.uid;
    *egid = uc.gid;
    return (0);
 }
#endif