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/*-
* Copyright (c) 2002 Networks Associates Technology, Inc.
* All rights reserved.
*
* This software was developed for the FreeBSD Project by ThinkSec AS and
* NAI Labs, the Security Research Division of Network Associates, Inc.
* under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
* DARPA CHATS research program.
*
* 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* 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.
*
* $FreeBSD$
*/
#include <err.h>
#include <errno.h>
#include <pwd.h>
#include <stdlib.h>
#include <string.h>
#include <rpcsvc/ypclnt.h>
#include <rpcsvc/yppasswd.h>
#include "ypclnt.h"
int
ypclnt_passwd(ypclnt_t *ypclnt, const struct passwd *pwd, const char *passwd)
{
struct yppasswd yppwd;
struct rpc_err rpcerr;
CLIENT *clnt = NULL;
int ret, *result;
/* check that rpc.yppasswdd is running */
if (getrpcport(ypclnt->server, YPPASSWDPROG,
YPPASSWDPROC_UPDATE, IPPROTO_UDP) == 0) {
ypclnt_error(ypclnt, __func__, "no rpc.yppasswdd on server");
return (-1);
}
/* fill the yppasswd structure */
memset(&yppwd, 0, sizeof yppwd);
yppwd.newpw.pw_uid = pwd->pw_uid;
yppwd.newpw.pw_gid = pwd->pw_gid;
if ((yppwd.newpw.pw_name = strdup(pwd->pw_name)) == NULL ||
(yppwd.newpw.pw_passwd = strdup(pwd->pw_passwd)) == NULL ||
(yppwd.newpw.pw_gecos = strdup(pwd->pw_gecos)) == NULL ||
(yppwd.newpw.pw_dir = strdup(pwd->pw_dir)) == NULL ||
(yppwd.newpw.pw_shell = strdup(pwd->pw_shell)) == NULL ||
(yppwd.oldpass = strdup(passwd)) == NULL) {
ypclnt_error(ypclnt, __func__, strerror(errno));
ret = -1;
goto done;
}
/* connect to rpc.yppasswdd */
clnt = clnt_create(ypclnt->server, YPPASSWDPROG, YPPASSWDVERS, "udp");
if (clnt == NULL) {
ypclnt_error(ypclnt, __func__,
"failed to connect to rpc.yppasswdd: %s",
clnt_spcreateerror(ypclnt->server));
ret = -1;
goto done;
}
clnt->cl_auth = authunix_create_default();
/* request the update */
result = yppasswdproc_update_1(&yppwd, clnt);
/* check for RPC errors */
clnt_geterr(clnt, &rpcerr);
if (rpcerr.re_status != RPC_SUCCESS) {
ypclnt_error(ypclnt, __func__,
"NIS password update failed: %s",
clnt_sperror(clnt, ypclnt->server));
ret = -1;
goto done;
}
/* check the result of the update */
if (result == NULL || *result != 0) {
ypclnt_error(ypclnt, __func__,
"NIS password update failed");
/* XXX how do we get more details? */
ret = -1;
goto done;
}
ypclnt_error(ypclnt, NULL, NULL);
ret = 0;
done:
if (clnt != NULL) {
auth_destroy(clnt->cl_auth);
clnt_destroy(clnt);
}
free(yppwd.newpw.pw_name);
free(yppwd.newpw.pw_passwd);
free(yppwd.newpw.pw_gecos);
free(yppwd.newpw.pw_dir);
free(yppwd.newpw.pw_shell);
if (yppwd.oldpass != NULL) {
memset(yppwd.oldpass, 0, strlen(yppwd.oldpass));
free(yppwd.oldpass);
}
return (ret);
}
|
