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77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/*
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* Copyright (c) 1996
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* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <signal.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <rpc/key_prot.h>
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#include <rpc/des.h>
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#include <sys/socket.h>
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#include <sys/param.h>
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#include "keyserv.h"
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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif
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/*
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* XXX should be declared somewhere
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*/
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struct cmessage {
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struct cmsghdr cmsg;
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struct cmsgcred cmcred;
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};
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int
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__rpc_get_local_uid(uid, transp)
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uid_t *uid;
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SVCXPRT *transp;
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{
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struct cmessage *cm;
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if (transp->xp_verf.oa_length < sizeof(struct cmessage) ||
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transp->xp_verf.oa_base == NULL ||
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transp->xp_verf.oa_flavor != AUTH_UNIX)
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return(-1);
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cm = (struct cmessage *)transp->xp_verf.oa_base;
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if (cm->cmsg.cmsg_type != SCM_CREDS)
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return(-1);
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*uid = cm->cmcred.cmcred_euid;
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return(0);
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}
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