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NIS client toolbox. This centralizes code which is duplicated all over

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our tree.

Sponsored by:	DARPA, NAI Labs.
This commit is contained in:
Dag-Erling Smørgrav 2002-04-13 06:20:02 +00:00
parent 2f6ee8eb7e
commit c0f2281edd
7 changed files with 497 additions and 0 deletions
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54
lib/libypclnt/Makefile Normal file
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# $FreeBSD$
LIB = ypclnt
SHLIB_MAJOR = 1
SHLIB_MINOR = 0
SRCS =
SRCS += ypclnt_connect.c
SRCS += ypclnt_error.c
SRCS += ypclnt_free.c
SRCS += ypclnt_new.c
SRCS += ypclnt_passwd.c
SRCS += ${GENSRCS}
INCS = ypclnt.h
CLEANFILES += ${GENSRCS}
DPADD += ${LIBRPCSVC}
LDADD += -lrpcsvc
WARNS ?= 4
GENSRCS =
GENSRCS += yp.h
GENSRCS += yp_clnt.c
GENSRCS += yppasswd.h
GENSRCS += yppasswd_clnt.c
GENSRCS += yppasswd_private.h
GENSRCS += yppasswd_private_clnt.c
GENSRCS += yppasswd_private_xdr.c
RPCGEN = rpcgen -C
RPCSRC = ${.CURDIR}/../../include/rpcsvc/yp.x
RPCSRC_PW = ${.CURDIR}/../../include/rpcsvc/yppasswd.x
RPCSRC_PRIV = ${.CURDIR}/../../usr.sbin/rpc.yppasswdd/yppasswd_private.x
yp.h: ${RPCSRC}
${RPCGEN} -h -o ${.TARGET} ${RPCSRC}
yp_clnt.c: ${RPCSRC}
${RPCGEN} -l -o ${.TARGET} ${RPCSRC}
yppasswd.h: ${RPCSRC_PW}
${RPCGEN} -h -o ${.TARGET} ${RPCSRC_PW}
yppasswd_clnt.c: ${RPCSRC_PW}
${RPCGEN} -l -o ${.TARGET} ${RPCSRC_PW}
yppasswd_private.h: ${RPCSRC_PRIV}
${RPCGEN} -h -o ${.TARGET} ${RPCSRC_PRIV}
yppasswd_private_xdr.c: ${RPCSRC_PRIV}
${RPCGEN} -c -o ${.TARGET} ${RPCSRC_PRIV}
yppasswd_private_clnt.c: ${RPCSRC_PRIV}
${RPCGEN} -l -o ${.TARGET} ${RPCSRC_PRIV}
.include <bsd.lib.mk>

90
lib/libypclnt/ypclnt_connect.c Normal file
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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 <sys/param.h>
#include <err.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <rpcsvc/ypclnt.h>
#include "ypclnt.h"
int
ypclnt_connect(ypclnt_t *ypclnt)
{
int r;
/* get default domain name unless specified */
if (ypclnt->domain == NULL) {
if ((ypclnt->domain = malloc(MAXHOSTNAMELEN)) == NULL) {
ypclnt_error(ypclnt, __func__,
"%s", strerror(errno));
return (-1);
}
if (getdomainname(ypclnt->domain, MAXHOSTNAMELEN) != 0) {
ypclnt_error(ypclnt, __func__,
"can't get NIS domain name");
return (-1);
}
}
YPCLNT_DEBUG("domain '%s'", ypclnt->domain);
/* map must be specified */
if (ypclnt->map == NULL) {
ypclnt_error(ypclnt, __func__,
"caller must specify map name");
return (-1);
}
YPCLNT_DEBUG("map '%s'", ypclnt->map);
/* get master server for requested map unless specified */
if (ypclnt->server == NULL) {
r = yp_master(ypclnt->domain, ypclnt->map, &ypclnt->server);
if (r != 0) {
ypclnt_error(ypclnt, __func__,
"can't get NIS server name: %s", yperr_string(r));
return (-1);
}
}
YPCLNT_DEBUG("server '%s'", ypclnt->server);
ypclnt_error(ypclnt, NULL, NULL);
return (0);
}

59
lib/libypclnt/ypclnt_error.c Normal file
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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 <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "ypclnt.h"
void
ypclnt_error(ypclnt_t *ypclnt, const char *func, const char *fmt, ...)
{
char *errmsg;
va_list ap;
free(ypclnt->error);
ypclnt->error = NULL;
if (fmt == NULL)
return;
va_start(ap, fmt);
vasprintf(&errmsg, fmt, ap);
va_end(ap);
asprintf(&ypclnt->error, "%s(): %s", func, errmsg);
free(errmsg);
}

51
lib/libypclnt/ypclnt_free.c Normal file
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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 <stdlib.h>
#include "ypclnt.h"
void
ypclnt_free(ypclnt_t *ypclnt)
{
if (ypclnt != NULL) {
free(ypclnt->domain);
free(ypclnt->map);
free(ypclnt->server);
free(ypclnt->error);
free(ypclnt);
}
}

52
lib/libypclnt/ypclnt_get.c Normal file
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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 "ypclnt.h"
char *
ypclnt_get(ypclnt_t *ypc, const char *key)
{
char *value;
int len, r;
r = yp_match(ypc->domain, ypc->map,
key, (int)strlen(key), &value, &len);
if (r != 0) {
ypclnt_error(ypc, __func__, "%s", yperr_string(r));
return (NULL);
}
return (value);
}

62
lib/libypclnt/ypclnt_new.c Normal file
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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 <stdlib.h>
#include <string.h>
#include "ypclnt.h"
ypclnt_t *
ypclnt_new(const char *domain, const char *map, const char *server)
{
ypclnt_t *ypclnt;
if ((ypclnt = calloc(1, sizeof *ypclnt)) == NULL)
return (NULL);
if (domain != NULL && (ypclnt->domain = strdup(domain)) == NULL)
goto fail;
if (map != NULL && (ypclnt->map = strdup(map)) == NULL)
goto fail;
if (server != NULL && (ypclnt->server = strdup(server)) == NULL)
goto fail;
return (ypclnt);
fail:
free(ypclnt->domain);
free(ypclnt->map);
free(ypclnt->server);
free(ypclnt);
return (NULL);
}

129
lib/libypclnt/ypclnt_passwd.c Normal file
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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);
}