ldap/common/tsol_getrhent.c

	tsol_getrhent.c revision 45916cd2fec6e79bca5dee0421bd39e3c2910d1e
/*
 * 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 <netdb.h>
#include "ldap_common.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/tsol/tndb.h>

/* tnrhdb attributes filters */
#define _TNRHDB_ADDR        "ipTnetNumber"
#define _TNRHDB_TNAME       "ipTnetTemplateName"
#define _F_GETTNDBBYADDR    "(&(objectClass=ipTnetHost)(ipTnetNumber=%s))"
#define _F_GETTNDBBYADDR_SSD    "(&(%%s)(ipTnetNumber=%s))"

static const char *tnrhdb_attrs[] = {
    _TNRHDB_ADDR,
    _TNRHDB_TNAME,
    NULL
};

static int
_nss_ldap_tnrhdb2ent(ldap_backend_ptr be, nss_XbyY_args_t *argp)
{
    int         i, nss_result;
    int         len = 0;
    int         buflen = 0;
    char            *buffer = NULL;
    char            *ceiling = NULL;
    ns_ldap_attr_t      *attrptr;
    ns_ldap_result_t    *result = be->result;
    tsol_rhstr_t        *rhstrp;

    buffer = argp->buf.buffer;
    buflen = argp->buf.buflen;
    if (argp->buf.result == NULL) {
        nss_result = NSS_STR_PARSE_ERANGE;
        goto result_tnrhdb2ent;
    }
    rhstrp = (tsol_rhstr_t *)(argp->buf.result);
    rhstrp->family = 0;
    rhstrp->address = rhstrp->template = NULL;
    ceiling = buffer + buflen;
    (void) memset(argp->buf.buffer, 0, buflen);
    attrptr = getattr(result, 0);
    if (attrptr == NULL) {
        nss_result = NSS_STR_PARSE_PARSE;
        goto result_tnrhdb2ent;
    }
    for (i = 0; i < result->entry->attr_count; i++) {
        attrptr = getattr(result, i);
        if (attrptr == NULL) {
            nss_result = NSS_STR_PARSE_PARSE;
            goto result_tnrhdb2ent;
        }
        if (strcasecmp(attrptr->attrname, _TNRHDB_ADDR) == 0) {
            len = strlen(attrptr->attrvalue[0]);
            if (len < 1 || (attrptr->attrvalue[0] == '\0')) {
                nss_result = NSS_STR_PARSE_PARSE;
                goto result_tnrhdb2ent;
            }
            rhstrp->address = buffer;
            buffer += len + 1;
            if (buffer >= ceiling) {
                nss_result = (int)NSS_STR_PARSE_ERANGE;
                goto result_tnrhdb2ent;
            }
            (void) strcpy(rhstrp->address, attrptr->attrvalue[0]);
            continue;
        }
        if (strcasecmp(attrptr->attrname, _TNRHDB_TNAME) == 0) {
            len = strlen(attrptr->attrvalue[0]);
            if (len < 1 || (attrptr->attrvalue[0] == '\0')) {
                nss_result = NSS_STR_PARSE_PARSE;
                goto result_tnrhdb2ent;
            }
            rhstrp->template = buffer;
            buffer += len + 1;
            if (buffer >= ceiling) {
                nss_result = (int)NSS_STR_PARSE_ERANGE;
                goto result_tnrhdb2ent;
            }
            (void) strcpy(rhstrp->template, attrptr->attrvalue[0]);
            continue;
        }
    }
    nss_result = NSS_STR_PARSE_SUCCESS;

#ifdef  DEBUG
    (void) printf("\n[tsol_getrhent.c: _nss_ldap_tnrhdb2ent]\n");
    (void) printf("      address: [%s]\n",
        rhstrp->address ? rhstrp->address : "NULL");
    (void) printf("template: [%s]\n",
        rhstrp->template ? rhstrp->template : "NULL");
#endif  /* DEBUG */

result_tnrhdb2ent:
    (void) __ns_ldap_freeResult(&be->result);
    return (nss_result);
}


static nss_status_t
getbyaddr(ldap_backend_ptr be, void *a)
{
    char        searchfilter[SEARCHFILTERLEN];
    char        userdata[SEARCHFILTERLEN];
    nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
    struct in_addr  addr;
    char        buf[18];
    extern char *inet_ntoa_r();

#ifdef  DEBUG
    (void) fprintf(stdout, "\n[tsol_getrhent.c: getbyaddr]\n");
#endif  /* DEBUG */

    (void) memcpy(&addr, argp->key.hostaddr.addr, sizeof (addr));
    (void) inet_ntoa_r(addr, buf);

    if (snprintf(searchfilter, sizeof (searchfilter), _F_GETTNDBBYADDR,
        buf) < 0)
        return ((nss_status_t)NSS_NOTFOUND);

    if (snprintf(userdata, sizeof (userdata), _F_GETTNDBBYADDR_SSD,
        buf) < 0)
        return ((nss_status_t)NSS_NOTFOUND);

    return (_nss_ldap_lookup(be, argp, _TNRHDB, searchfilter, NULL,
        _merge_SSD_filter, userdata));
}


static ldap_backend_op_t tnrhdb_ops[] = {
    _nss_ldap_destr,
    _nss_ldap_endent,
    _nss_ldap_setent,
    _nss_ldap_getent,
    getbyaddr
};


/* ARGSUSED */
nss_backend_t *
_nss_ldap_tnrhdb_constr(const char *dummy1,
    const char *dummy2,
    const char *dummy3,
    const char *dummy4,
    const char *dummy5)
{
#ifdef  DEBUG
    (void) fprintf(stdout,
        "\n[tsol_getrhent.c: _nss_ldap_tnrhdb_constr]\n");
#endif
    return ((nss_backend_t *)_nss_ldap_constr(tnrhdb_ops,
        sizeof (tnrhdb_ops)/sizeof (tnrhdb_ops[0]), _TNRHDB,
        tnrhdb_attrs, _nss_ldap_tnrhdb2ent));
}