17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*cb5caa98Sdjl * Common Development and Distribution License (the "License").
6*cb5caa98Sdjl * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
217c478bd9Sstevel@tonic-gate /*
22*cb5caa98Sdjl * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
237c478bd9Sstevel@tonic-gate * Use is subject to license terms.
247c478bd9Sstevel@tonic-gate */
257c478bd9Sstevel@tonic-gate
267c478bd9Sstevel@tonic-gate #include <netdb.h>
277c478bd9Sstevel@tonic-gate #include <netinet/in.h>
287c478bd9Sstevel@tonic-gate #include <arpa/inet.h>
297c478bd9Sstevel@tonic-gate #include <sys/socket.h>
307c478bd9Sstevel@tonic-gate #include "ldap_common.h"
317c478bd9Sstevel@tonic-gate
327c478bd9Sstevel@tonic-gate /* netmasks attributes filters */
337c478bd9Sstevel@tonic-gate #define _N_NETWORK "ipnetworknumber"
347c478bd9Sstevel@tonic-gate #define _N_NETMASK "ipnetmasknumber"
357c478bd9Sstevel@tonic-gate
367c478bd9Sstevel@tonic-gate #define _F_GETMASKBYNET "(&(objectClass=ipNetwork)(ipNetworkNumber=%s))"
377c478bd9Sstevel@tonic-gate #define _F_GETMASKBYNET_SSD "(&(%%s)(ipNetworkNumber=%s))"
387c478bd9Sstevel@tonic-gate
397c478bd9Sstevel@tonic-gate static const char *netmasks_attrs[] = {
407c478bd9Sstevel@tonic-gate _N_NETWORK,
417c478bd9Sstevel@tonic-gate _N_NETMASK,
427c478bd9Sstevel@tonic-gate (char *)NULL
437c478bd9Sstevel@tonic-gate };
447c478bd9Sstevel@tonic-gate
457c478bd9Sstevel@tonic-gate
467c478bd9Sstevel@tonic-gate /*
47*cb5caa98Sdjl * _nss_ldap_netmasks2str is the data marshaling method for the netmasks
48*cb5caa98Sdjl * getXbyY * (e.g., getnetmaskby[net|addr]()) backend processes.
49*cb5caa98Sdjl * This method is called after a successful ldap search has been performed.
50*cb5caa98Sdjl * This method will parse the ldap search values into the file format.
51*cb5caa98Sdjl *
52*cb5caa98Sdjl * getnetmaskbykey set argp->buf.buffer to NULL and argp->buf.buflen to 0
53*cb5caa98Sdjl * and argp->buf.result to non-NULL.
54*cb5caa98Sdjl * The front end marshaller str2add expects "netmask" only
55*cb5caa98Sdjl *
56*cb5caa98Sdjl * e.g.
57*cb5caa98Sdjl *
58*cb5caa98Sdjl * 255.255.255.0
59*cb5caa98Sdjl *
60*cb5caa98Sdjl *
617c478bd9Sstevel@tonic-gate */
627c478bd9Sstevel@tonic-gate
637c478bd9Sstevel@tonic-gate static int
_nss_ldap_netmasks2str(ldap_backend_ptr be,nss_XbyY_args_t * argp)64*cb5caa98Sdjl _nss_ldap_netmasks2str(ldap_backend_ptr be, nss_XbyY_args_t *argp)
657c478bd9Sstevel@tonic-gate {
66*cb5caa98Sdjl int nss_result, len;
677c478bd9Sstevel@tonic-gate ns_ldap_result_t *result = be->result;
68*cb5caa98Sdjl char *buffer, **netmask;
697c478bd9Sstevel@tonic-gate
70*cb5caa98Sdjl if (result == NULL)
71*cb5caa98Sdjl return (NSS_STR_PARSE_PARSE);
727c478bd9Sstevel@tonic-gate
73*cb5caa98Sdjl nss_result = NSS_STR_PARSE_SUCCESS;
747c478bd9Sstevel@tonic-gate
75*cb5caa98Sdjl netmask = __ns_ldap_getAttr(result->entry, _N_NETMASK);
76*cb5caa98Sdjl if (netmask == NULL || netmask[0] == NULL ||
77*cb5caa98Sdjl (strlen(netmask[0]) < 1)) {
78*cb5caa98Sdjl nss_result = NSS_STR_PARSE_PARSE;
79*cb5caa98Sdjl goto result_nmks2str;
807c478bd9Sstevel@tonic-gate }
81*cb5caa98Sdjl /* Add a trailing null for debugging purpose */
82*cb5caa98Sdjl len = strlen(netmask[0]) + 1;
83*cb5caa98Sdjl if (argp->buf.result != NULL) {
84*cb5caa98Sdjl if ((be->buffer = calloc(1, len)) == NULL) {
85*cb5caa98Sdjl nss_result = NSS_STR_PARSE_PARSE;
86*cb5caa98Sdjl goto result_nmks2str;
87*cb5caa98Sdjl }
88*cb5caa98Sdjl be->buflen = len - 1;
89*cb5caa98Sdjl buffer = be->buffer;
90*cb5caa98Sdjl } else
91*cb5caa98Sdjl buffer = argp->buf.buffer;
927c478bd9Sstevel@tonic-gate
937c478bd9Sstevel@tonic-gate
94*cb5caa98Sdjl (void) snprintf(buffer, len, "%s", netmask[0]);
95*cb5caa98Sdjl
96*cb5caa98Sdjl result_nmks2str:
977c478bd9Sstevel@tonic-gate
987c478bd9Sstevel@tonic-gate (void) __ns_ldap_freeResult(&be->result);
997c478bd9Sstevel@tonic-gate return ((int)nss_result);
1007c478bd9Sstevel@tonic-gate }
1017c478bd9Sstevel@tonic-gate
1027c478bd9Sstevel@tonic-gate /*
1037c478bd9Sstevel@tonic-gate * getbynet gets a network mask by address. This function constructs an
1047c478bd9Sstevel@tonic-gate * ldap search filter using the netmask name invocation parameter and the
1057c478bd9Sstevel@tonic-gate * getmaskbynet search filter defined. Once the filter is constructed, we
1067c478bd9Sstevel@tonic-gate * search for a matching entry and marshal the data results into struct
1077c478bd9Sstevel@tonic-gate * in_addr for the frontend process. The function _nss_ldap_netmasks2ent
1087c478bd9Sstevel@tonic-gate * performs the data marshaling.
1097c478bd9Sstevel@tonic-gate */
1107c478bd9Sstevel@tonic-gate
1117c478bd9Sstevel@tonic-gate static nss_status_t
getbynet(ldap_backend_ptr be,void * a)1127c478bd9Sstevel@tonic-gate getbynet(ldap_backend_ptr be, void *a)
1137c478bd9Sstevel@tonic-gate {
1147c478bd9Sstevel@tonic-gate nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
1157c478bd9Sstevel@tonic-gate char searchfilter[SEARCHFILTERLEN];
1167c478bd9Sstevel@tonic-gate char userdata[SEARCHFILTERLEN];
1177c478bd9Sstevel@tonic-gate char netnumber[SEARCHFILTERLEN];
1187c478bd9Sstevel@tonic-gate int ret;
1197c478bd9Sstevel@tonic-gate
1207c478bd9Sstevel@tonic-gate if (_ldap_filter_name(netnumber, argp->key.name, sizeof (netnumber))
1217c478bd9Sstevel@tonic-gate != 0)
1227c478bd9Sstevel@tonic-gate return ((nss_status_t)NSS_NOTFOUND);
1237c478bd9Sstevel@tonic-gate ret = snprintf(searchfilter, sizeof (searchfilter),
1247c478bd9Sstevel@tonic-gate _F_GETMASKBYNET, netnumber);
1257c478bd9Sstevel@tonic-gate if (ret >= sizeof (searchfilter) || ret < 0)
1267c478bd9Sstevel@tonic-gate return ((nss_status_t)NSS_NOTFOUND);
1277c478bd9Sstevel@tonic-gate
1287c478bd9Sstevel@tonic-gate ret = snprintf(userdata, sizeof (userdata),
1297c478bd9Sstevel@tonic-gate _F_GETMASKBYNET_SSD, netnumber);
1307c478bd9Sstevel@tonic-gate if (ret >= sizeof (userdata) || ret < 0)
1317c478bd9Sstevel@tonic-gate return ((nss_status_t)NSS_NOTFOUND);
1327c478bd9Sstevel@tonic-gate
1337c478bd9Sstevel@tonic-gate return ((nss_status_t)_nss_ldap_lookup(be, argp,
1347c478bd9Sstevel@tonic-gate _NETMASKS, searchfilter, NULL,
1357c478bd9Sstevel@tonic-gate _merge_SSD_filter, userdata));
1367c478bd9Sstevel@tonic-gate }
1377c478bd9Sstevel@tonic-gate
1387c478bd9Sstevel@tonic-gate
1397c478bd9Sstevel@tonic-gate static ldap_backend_op_t netmasks_ops[] = {
1407c478bd9Sstevel@tonic-gate _nss_ldap_destr,
1417c478bd9Sstevel@tonic-gate getbynet
1427c478bd9Sstevel@tonic-gate };
1437c478bd9Sstevel@tonic-gate
1447c478bd9Sstevel@tonic-gate
1457c478bd9Sstevel@tonic-gate /*
1467c478bd9Sstevel@tonic-gate * _nss_ldap_netmasks_constr is where life begins. This function calls
1477c478bd9Sstevel@tonic-gate * the generic ldap constructor function to define and build the abstract
1487c478bd9Sstevel@tonic-gate * data types required to support ldap operations.
1497c478bd9Sstevel@tonic-gate */
1507c478bd9Sstevel@tonic-gate
1517c478bd9Sstevel@tonic-gate /*ARGSUSED0*/
1527c478bd9Sstevel@tonic-gate nss_backend_t *
_nss_ldap_netmasks_constr(const char * dummy1,const char * dummy2,const char * dummy3)1537c478bd9Sstevel@tonic-gate _nss_ldap_netmasks_constr(const char *dummy1, const char *dummy2,
1547c478bd9Sstevel@tonic-gate const char *dummy3)
1557c478bd9Sstevel@tonic-gate {
1567c478bd9Sstevel@tonic-gate
1577c478bd9Sstevel@tonic-gate return ((nss_backend_t *)_nss_ldap_constr(netmasks_ops,
1587c478bd9Sstevel@tonic-gate sizeof (netmasks_ops)/sizeof (netmasks_ops[0]), _NETMASKS,
159*cb5caa98Sdjl netmasks_attrs, _nss_ldap_netmasks2str));
1607c478bd9Sstevel@tonic-gate }
161