freebsd-dev/lib/libc/rpc/crypt_client.c
Bill Paul 55e07e869f Fix potential resource leak: when call to des_crypt_1() fails, remember
to destroy the RPC CLIENT handle before returning.
1998-06-09 17:38:33 +00:00

91 lines
3.1 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.
*
* $Id: crypt_client.c,v 1.2 1997/05/28 05:05:10 wpaul Exp $
*/
#include <sys/types.h>
#include <rpc/des_crypt.h>
#include <rpc/des.h>
#include <string.h>
#include <rpcsvc/crypt.h>
#ifndef lint
static const char rcsid[] = "$Id: crypt_client.c,v 1.2 1997/05/28 05:05:10 wpaul Exp $";
#endif
#ifndef KEYSERVSOCK
#define KEYSERVSOCK "/var/run/keyservsock"
#endif
int
_des_crypt_call(buf, len, dparms)
char *buf;
int len;
struct desparams *dparms;
{
CLIENT *clnt;
desresp *result_1;
desargs des_crypt_1_arg;
int stat;
clnt = clnt_create(KEYSERVSOCK, CRYPT_PROG, CRYPT_VERS, "unix");
if (clnt == (CLIENT *) NULL) {
return(DESERR_HWERROR);
}
des_crypt_1_arg.desbuf.desbuf_len = len;
des_crypt_1_arg.desbuf.desbuf_val = buf;
des_crypt_1_arg.des_dir = dparms->des_dir;
des_crypt_1_arg.des_mode = dparms->des_mode;
bcopy(dparms->des_ivec, des_crypt_1_arg.des_ivec, 8);
bcopy(dparms->des_key, des_crypt_1_arg.des_key, 8);
result_1 = des_crypt_1(&des_crypt_1_arg, clnt);
if (result_1 == (desresp *) NULL) {
clnt_destroy(clnt);
return(DESERR_HWERROR);
}
stat = result_1->stat;
if (result_1->stat == DESERR_NONE ||
result_1->stat == DESERR_NOHWDEVICE) {
bcopy(result_1->desbuf.desbuf_val, buf, len);
bcopy(result_1->des_ivec, dparms->des_ivec, 8);
}
clnt_freeres(clnt, xdr_desresp, (char *)result_1);
clnt_destroy(clnt);
return(stat);
}