OpenSolaris_b135/lib/nsswitch/ldap/common/getrpcent.c
/*
* 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 <rpc/rpcent.h>
#include "ns_internal.h"
#include "ldap_common.h"
/* rpc attributes filters */
#define _R_NAME "cn"
#define _R_NUMBER "oncrpcnumber"
#define _F_GETRPCBYNAME "(&(objectClass=oncRpc)(cn=%s))"
#define _F_GETRPCBYNAME_SSD "(&(%%s)(cn=%s))"
#define _F_GETRPCBYNUMBER "(&(objectClass=oncRpc)(oncRpcNumber=%d))"
#define _F_GETRPCBYNUMBER_SSD "(&(%%s)(oncRpcNumber=%d))"
static const char *rpc_attrs[] = {
_R_NAME,
_R_NUMBER,
(char *)NULL
};
/*
* _nss_ldap_rpc2str is the data marshaling method for the rpc getXbyY
* (e.g., getbyname(), getbynumber(), getrpcent()) 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.
* e.g.
*
* nfs_acl 100227
* snmp 100122 na.snmp snmp-cmc snmp-synoptics snmp-unisys snmp-utk
*/
static int
_nss_ldap_rpc2str(ldap_backend_ptr be, nss_XbyY_args_t *argp)
{
uint_t i;
int nss_result;
int buflen = 0, len;
char *cname = NULL;
char *buffer = NULL;
ns_ldap_result_t *result = be->result;
ns_ldap_attr_t *names;
char **rpcnumber;
if (result == NULL)
return (NSS_STR_PARSE_PARSE);
nss_result = NSS_STR_PARSE_SUCCESS;
(void) memset(argp->buf.buffer, 0, buflen);
buflen = argp->buf.buflen;
if (argp->buf.result != NULL) {
if ((be->buffer = calloc(1, buflen)) == NULL) {
nss_result = NSS_STR_PARSE_PARSE;
goto result_rpc2str;
}
buffer = be->buffer;
} else
buffer = argp->buf.buffer;
names = __ns_ldap_getAttrStruct(result->entry, _R_NAME);
if (names == NULL || names->attrvalue == NULL) {
nss_result = NSS_STR_PARSE_PARSE;
goto result_rpc2str;
}
/* Get the canonical rpc name */
cname = __s_api_get_canonical_name(result->entry, names, 1);
if (cname == NULL || (len = strlen(cname)) < 1) {
nss_result = NSS_STR_PARSE_PARSE;
goto result_rpc2str;
}
rpcnumber = __ns_ldap_getAttr(result->entry, _R_NUMBER);
if (rpcnumber == NULL || rpcnumber[0] == NULL ||
(len = strlen(rpcnumber[0])) < 1) {
nss_result = NSS_STR_PARSE_PARSE;
goto result_rpc2str;
}
len = snprintf(buffer, buflen, "%s %s", cname, rpcnumber[0]);
TEST_AND_ADJUST(len, buffer, buflen, result_rpc2str);
/* Append aliases */
for (i = 0; i < names->value_count; i++) {
if (names->attrvalue[i] == NULL) {
nss_result = NSS_STR_PARSE_PARSE;
goto result_rpc2str;
}
/* Skip the canonical name */
if (strcasecmp(names->attrvalue[i], cname) != 0) {
len = snprintf(buffer, buflen, " %s",
names->attrvalue[i]);
TEST_AND_ADJUST(len, buffer, buflen, result_rpc2str);
}
}
/* The front end marshaller doesn't need to copy trailing nulls */
if (argp->buf.result != NULL)
be->buflen = strlen(be->buffer);
result_rpc2str:
(void) __ns_ldap_freeResult(&be->result);
return (nss_result);
}
/*
* getbyname gets struct rpcent values by rpc name. This function
* constructs an ldap search filter using the rpc name invocation
* parameter and the getrpcbyname search filter defined. Once the
* filter is constructed, we search for a matching entry and marshal
* the data results into *rpc = (struct rpcent *)argp->buf.result.
* The function _nss_ldap_rpc2ent performs the data marshaling.
*/
static nss_status_t
getbyname(ldap_backend_ptr be, void *a)
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
char searchfilter[SEARCHFILTERLEN];
char userdata[SEARCHFILTERLEN];
char name[SEARCHFILTERLEN];
int ret;
if (_ldap_filter_name(name, argp->key.name, sizeof (name)) != 0)
return ((nss_status_t)NSS_NOTFOUND);
ret = snprintf(searchfilter, sizeof (searchfilter), _F_GETRPCBYNAME,
name);
if (ret >= sizeof (searchfilter) || ret < 0)
return ((nss_status_t)NSS_NOTFOUND);
ret = snprintf(userdata, sizeof (userdata), _F_GETRPCBYNAME_SSD, name);
if (ret >= sizeof (userdata) || ret < 0)
return ((nss_status_t)NSS_NOTFOUND);
return ((nss_status_t)_nss_ldap_lookup(be, argp, _RPC, searchfilter,
NULL, _merge_SSD_filter, userdata));
}
/*
* getbynumber gets struct rpcent values by rpc number. This function
* constructs an ldap search filter using the rpc number invocation
* parameter and the getrpcbynumber search filter defined. Once the
* filter is constructed, we search for a matching entry and marshal
* the data results into *rpc = (struct rpcent *)argp->buf.result.
* The function _nss_ldap_rpc2ent performs the data marshaling.
*/
static nss_status_t
getbynumber(ldap_backend_ptr be, void *a)
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
char searchfilter[SEARCHFILTERLEN];
char userdata[SEARCHFILTERLEN];
int ret;
ret = snprintf(searchfilter, sizeof (searchfilter),
_F_GETRPCBYNUMBER, argp->key.number);
if (ret >= sizeof (searchfilter) || ret < 0)
return ((nss_status_t)NSS_NOTFOUND);
ret = snprintf(userdata, sizeof (userdata),
_F_GETRPCBYNUMBER_SSD, argp->key.number);
if (ret >= sizeof (userdata) || ret < 0)
return ((nss_status_t)NSS_NOTFOUND);
return ((nss_status_t)_nss_ldap_lookup(be, argp, _RPC, searchfilter,
NULL, _merge_SSD_filter, userdata));
}
static ldap_backend_op_t rpc_ops[] = {
_nss_ldap_destr,
_nss_ldap_endent,
_nss_ldap_setent,
_nss_ldap_getent,
getbyname,
getbynumber
};
/*
* _nss_ldap_rpc_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_rpc_constr(const char *dummy1, const char *dummy2,
const char *dummy3)
{
return ((nss_backend_t *)_nss_ldap_constr(rpc_ops,
sizeof (rpc_ops)/sizeof (rpc_ops[0]),
_RPC, rpc_attrs, _nss_ldap_rpc2str));
}