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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "ldap_common.h"
/* bootparams attributes filters */
#define _B_HOSTNAME "cn"
#define _B_PARAMETER "bootparameter"
#define _F_GETBOOTPARAMBYNAME "(&(objectClass=bootableDevice)(cn=%s))"
#define _F_GETBOOTPARAMBYNAME_SSD "(&(%%s)(cn=%s))"
static const char *bootparams_attrs[] = {
_B_HOSTNAME,
_B_PARAMETER,
(char *)NULL
};
/*
* _nss_ldap_bootparams2str is the data marshaling method for the
* bootparams bootparams_getbyname backend processes.
* This method is called after a successful ldap search has been performed.
* This method will parse the ldap search values into the file format.
*
* A host's bootparameters are returned on one line separated by white
* space. The LDAP server stores each boot parameter as a separate entry.
* If more than one bootparameter is available, a white space separated buffer
* must be constructed and returned.
*
*/
static int
_nss_ldap_bootparams2str(ldap_backend_ptr be, nss_XbyY_args_t *argp)
{
uint_t i;
int buflen = 0, len = 0;
int nss_result, firsttime;
ns_ldap_attr_t *bparams;
char *buffer, **names;
ns_ldap_result_t *result = be->result;
if (result == NULL)
return (NSS_STR_PARSE_PARSE);
buflen = argp->buf.buflen;
if (argp->buf.result != NULL) {
if ((be->buffer = calloc(1, buflen)) == NULL) {
nss_result = NSS_STR_PARSE_PARSE;
goto result_bp2str;
}
buffer = be->buffer;
} else
buffer = argp->buf.buffer;
nss_result = NSS_STR_PARSE_SUCCESS;
(void) memset(argp->buf.buffer, 0, buflen);
names = __ns_ldap_getAttr(result->entry, _B_HOSTNAME);
if (names == NULL || names[0] == NULL ||
(strlen(names[0]) < 1)) {
nss_result = NSS_STR_PARSE_PARSE;
goto result_bp2str;
}
bparams = __ns_ldap_getAttrStruct(result->entry, _B_PARAMETER);
if (bparams == NULL || bparams->attrvalue == NULL) {
nss_result = NSS_STR_PARSE_PARSE;
goto result_bp2str;
}
firsttime = 1;
for (i = 0; i < bparams->value_count; i++) {
if (bparams->attrvalue[i] == NULL) {
nss_result = NSS_STR_PARSE_PARSE;
goto result_bp2str;
}
/*
* Skip client host name. The early version of ldapaddent
* adds hostname as a boot param and it should be filtered.
*/
if (strcasecmp(names[0], bparams->attrvalue[i]) != 0) {
if (firsttime) {
firsttime = 0;
len = snprintf(buffer, buflen, "%s",
bparams->attrvalue[i]);
} else
len = snprintf(buffer, buflen, " %s",
bparams->attrvalue[i]);
TEST_AND_ADJUST(len, buffer, buflen, result_bp2str);
}
}
/* The front end marshaller doesn't need to copy trailing nulls */
if (argp->buf.result != NULL)
be->buflen = strlen(be->buffer);
result_bp2str:
(void) __ns_ldap_freeResult(&be->result);
return (nss_result);
}
/*
* getbyname gets bootparameters by host name. This function constructs an
* ldap search filter using the host name invocation parameter and the
* getbootparambyname search filter defined. Once the filter is
* constructed, we search for matching entries and marshal the data
* results into argp->buf.buffer for the frontend process. The function
* _nss_ldap_bootparams2ent performs the data marshaling.
*
* RFC 2307, An Approach for Using LDAP as a Network Information Service,
* indicates that dn's be fully qualified. Host name searches will be on
* fully qualified host names (e.g., foo.bar.sun.com).
*/
static nss_status_t
getbyname(ldap_backend_ptr be, void *a)
{
char hostname[3 * MAXHOSTNAMELEN];
nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
char searchfilter[SEARCHFILTERLEN];
char userdata[SEARCHFILTERLEN];
int ret;
if (_ldap_filter_name(hostname, argp->key.name, sizeof (hostname)) != 0)
return ((nss_status_t)NSS_NOTFOUND);
ret = snprintf(searchfilter, sizeof (searchfilter),
_F_GETBOOTPARAMBYNAME, hostname);
if (ret >= sizeof (searchfilter) || ret < 0)
return ((nss_status_t)NSS_NOTFOUND);
ret = snprintf(userdata, sizeof (userdata),
_F_GETBOOTPARAMBYNAME_SSD, hostname);
if (ret >= sizeof (userdata) || ret < 0)
return ((nss_status_t)NSS_NOTFOUND);
return ((nss_status_t)_nss_ldap_lookup(be, argp,
_BOOTPARAMS, searchfilter, NULL,
_merge_SSD_filter, userdata));
}
static ldap_backend_op_t bootparams_ops[] = {
_nss_ldap_destr,
getbyname
};
/*
* _nss_ldap_bootparams_constr is where life begins. This function calls
* the generic ldap constructor function to define and build the abstract
* data types required to support ldap operations.
*/
/*ARGSUSED0*/
nss_backend_t *
_nss_ldap_bootparams_constr(const char *dummy1, const char *dummy2,
const char *dummy3)
{
return ((nss_backend_t *)_nss_ldap_constr(bootparams_ops,
sizeof (bootparams_ops)/sizeof (bootparams_ops[0]),
_BOOTPARAMS, bootparams_attrs, _nss_ldap_bootparams2str));
}
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