freebsd-src/usr.sbin/keyserv/keyserv_uid.c
1999-08-28 01:35:59 +00:00

77 lines
2.5 KiB
C

/*
* Copyright (c) 1996
* Bill Paul <wpaul@ctr.columbia.edu>. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul 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 <signal.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <rpc/key_prot.h>
#include <rpc/des.h>
#include <sys/socket.h>
#include <sys/param.h>
#include "keyserv.h"
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif
/*
* XXX should be declared somewhere
*/
struct cmessage {
struct cmsghdr cmsg;
struct cmsgcred cmcred;
};
int
__rpc_get_local_uid(uid, transp)
uid_t *uid;
SVCXPRT *transp;
{
struct cmessage *cm;
if (transp->xp_verf.oa_length < sizeof(struct cmessage) ||
transp->xp_verf.oa_base == NULL ||
transp->xp_verf.oa_flavor != AUTH_UNIX)
return(-1);
cm = (struct cmessage *)transp->xp_verf.oa_base;
if (cm->cmsg.cmsg_type != SCM_CREDS)
return(-1);
*uid = cm->cmcred.cmcred_euid;
return(0);
}