diff options
Diffstat (limited to 'src/crypt_client.c')
| -rw-r--r-- | src/crypt_client.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/crypt_client.c b/src/crypt_client.c new file mode 100644 index 0000000..cd6f7de --- /dev/null +++ b/src/crypt_client.c @@ -0,0 +1,99 @@ +/* + * 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 <err.h> +#include <sys/types.h> +#include <rpc/des_crypt.h> +#include <rpc/des.h> +#include <string.h> +#include <rpcsvc/crypt.h> + +#include <netconfig.h> + +int +_des_crypt_call(buf, len, dparms) + char *buf; + int len; + struct desparams *dparms; +{ + CLIENT *clnt; + desresp *result_1; + desargs des_crypt_1_arg; + struct netconfig *nconf; + void *localhandle; + int stat; + + nconf = NULL; + localhandle = setnetconfig(); + while ((nconf = getnetconfig(localhandle)) != NULL) { + if (nconf->nc_protofmly != NULL && + strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0) + break; + } + if (nconf == NULL) { + warnx("getnetconfig: %s", nc_sperror()); + return(DESERR_HWERROR); + } + clnt = clnt_tp_create(NULL, CRYPT_PROG, CRYPT_VERS, nconf); + if (clnt == (CLIENT *) NULL) { + endnetconfig(localhandle); + return(DESERR_HWERROR); + } + endnetconfig(localhandle); + + 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; + memcpy(des_crypt_1_arg.des_ivec, dparms->des_ivec, 8); + memcpy(des_crypt_1_arg.des_key, dparms->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) { + memcpy(buf, result_1->desbuf.desbuf_val, len); + memcpy(dparms->des_ivec, result_1->des_ivec, 8); + } + + clnt_freeres(clnt, (xdrproc_t)xdr_desresp, result_1); + clnt_destroy(clnt); + + return(stat); +} |