2010-12-15 04:58:02 +08:00
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1998-2010 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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/* ACKNOWLEDGEMENTS:
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* This program was orignally developed by Kurt D. Zeilenga for inclusion in
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* OpenLDAP Software.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/stdlib.h>
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#include <ac/string.h>
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#include <ac/time.h>
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#include "ldap-int.h"
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/*
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2010-12-15 06:09:50 +08:00
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* LDAP Verify Credentials operation
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*
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* The request is an extended request with OID 1.3.6.1.4.1.4203.666.6.5 with value of
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* the BER encoding of:
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*
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* VCRequest ::= SEQUENCE {
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* Cookie [0] OCTET STRING OPTIONAL,
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* name LDAPDN,
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* authentication AuthenticationChoice
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* }
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*
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* where LDAPDN and AuthenticationChoice are as defined in RFC 4511.
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*
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* The response is an extended response with no OID and a value of the BER encoding of
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*
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2010-12-30 22:12:26 +08:00
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* VCResponse ::= SEQUENCE {
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2010-12-15 06:09:50 +08:00
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* Cookie [0] OCTET STRING OPTIONAL,
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* serverSaslCreds [1] OCTET STRING OPTIONAL
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2010-12-15 08:59:42 +08:00
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* authzid [2] OCTET STRING OPTIONAL
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2010-12-15 06:09:50 +08:00
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* }
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*
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2010-12-15 04:58:02 +08:00
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*/
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int ldap_parse_verify_credentials(
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LDAP *ld,
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LDAPMessage *res,
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2010-12-15 08:59:42 +08:00
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struct berval **cookie,
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struct berval **screds,
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2010-12-15 05:14:31 +08:00
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struct berval **authzid)
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2010-12-15 04:58:02 +08:00
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{
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int rc;
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char *retoid = NULL;
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2010-12-15 08:59:42 +08:00
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struct berval *retdata = NULL;
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2010-12-15 04:58:02 +08:00
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2010-12-15 05:14:31 +08:00
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assert(ld != NULL);
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assert(LDAP_VALID(ld));
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assert(res != NULL);
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assert(authzid != NULL);
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2010-12-15 04:58:02 +08:00
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*authzid = NULL;
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2010-12-15 08:59:42 +08:00
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rc = ldap_parse_extended_result(ld, res, &retoid, &retdata, 0);
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2010-12-15 04:58:02 +08:00
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if( rc != LDAP_SUCCESS ) {
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2010-12-30 23:51:25 +08:00
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ldap_perror(ld, "ldap_parse_verify_credentials");
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2010-12-15 04:58:02 +08:00
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return rc;
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}
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2010-12-15 08:59:42 +08:00
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if (retdata) {
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ber_tag_t tag;
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ber_len_t len;
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BerElement * ber = ber_init(retdata);
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if (!ber) {
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rc = ld->ld_errno = LDAP_NO_MEMORY;
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goto done;
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}
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ber_scanf(ber, "{" /*"}"*/);
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tag = ber_peek_tag(ber, &len);
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if (tag == LDAP_TAG_EXOP_VERIFY_CREDENTIALS_COOKIE) {
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ber_scanf(ber, "O", cookie);
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tag = ber_peek_tag(ber, &len);
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}
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if (tag == LDAP_TAG_EXOP_VERIFY_CREDENTIALS_SCREDS) {
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ber_scanf(ber, "O", screds);
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tag = ber_peek_tag(ber, &len);
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}
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if (tag == LDAP_TAG_EXOP_VERIFY_CREDENTIALS_AUTHZID) {
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ber_scanf(ber, "O", authzid);
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}
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ber_free(ber, 1);
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}
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done:
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ber_bvfree(retdata);
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2010-12-15 05:14:31 +08:00
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ber_memfree(retoid);
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2010-12-15 04:58:02 +08:00
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return rc;
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}
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int
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2010-12-15 05:14:31 +08:00
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ldap_verify_credentials(LDAP *ld,
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struct berval *cookie,
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LDAP_CONST char *dn,
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LDAP_CONST char *mechanism,
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struct berval *cred,
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LDAPControl **sctrls,
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LDAPControl **cctrls,
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int *msgidp)
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2010-12-15 04:58:02 +08:00
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{
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int rc;
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BerElement *ber;
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struct berval * reqdata;
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assert(ld != NULL);
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assert(LDAP_VALID(ld));
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assert(msgidp != NULL);
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ber = ber_alloc_t(LBER_USE_DER);
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if (dn == NULL) dn = "";
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if (mechanism == LDAP_SASL_SIMPLE) {
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2010-12-15 05:14:31 +08:00
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assert(!cookie);
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2010-12-15 04:58:02 +08:00
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2011-01-04 03:21:03 +08:00
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rc = ber_printf(ber, "{stON}",
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dn, LDAP_AUTH_SIMPLE, cred);
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2010-12-15 04:58:02 +08:00
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} else {
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2010-12-15 05:14:31 +08:00
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if (!cred || BER_BVISNULL(cred)) {
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if (cookie) {
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2010-12-30 23:58:48 +08:00
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rc = ber_printf(ber, "{tOst{sN}N}",
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2010-12-15 05:14:31 +08:00
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LDAP_TAG_EXOP_VERIFY_CREDENTIALS_COOKIE, cookie,
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2010-12-15 06:09:50 +08:00
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dn, LDAP_AUTH_SASL, mechanism);
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2010-12-15 05:14:31 +08:00
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} else {
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2010-12-15 06:09:50 +08:00
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rc = ber_printf(ber, "{st{sN}N}",
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dn, LDAP_AUTH_SASL, mechanism);
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2010-12-15 05:14:31 +08:00
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}
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2010-12-15 04:58:02 +08:00
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} else {
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2010-12-15 05:14:31 +08:00
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if (cookie) {
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2010-12-15 06:09:50 +08:00
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rc = ber_printf(ber, "{tOst{sON}N}",
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2010-12-15 05:14:31 +08:00
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LDAP_TAG_EXOP_VERIFY_CREDENTIALS_COOKIE, cookie,
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2010-12-15 06:09:50 +08:00
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dn, LDAP_AUTH_SASL, mechanism, cred);
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2010-12-15 05:14:31 +08:00
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} else {
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2010-12-15 06:09:50 +08:00
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rc = ber_printf(ber, "{st{sON}N}",
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dn, LDAP_AUTH_SASL, mechanism, cred);
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2010-12-15 05:14:31 +08:00
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}
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2010-12-15 04:58:02 +08:00
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}
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}
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ber_flatten(ber, &reqdata);
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rc = ldap_extended_operation(ld, LDAP_EXOP_VERIFY_CREDENTIALS,
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2010-12-15 05:14:31 +08:00
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reqdata, sctrls, cctrls, msgidp);
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2010-12-15 04:58:02 +08:00
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ber_free(ber, 1);
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return rc;
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}
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int
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ldap_verify_credentials_s(
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LDAP *ld,
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2010-12-15 05:14:31 +08:00
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struct berval *cookie,
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LDAP_CONST char *dn,
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LDAP_CONST char *mechanism,
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struct berval *cred,
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LDAPControl **sctrls,
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LDAPControl **cctrls,
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2010-12-15 08:59:42 +08:00
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struct berval **scookie,
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2010-12-15 04:58:02 +08:00
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struct berval **scred,
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struct berval **authzid)
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{
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2010-12-15 05:14:31 +08:00
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int rc;
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int msgid;
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LDAPMessage *res;
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2010-12-15 04:58:02 +08:00
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rc = ldap_verify_credentials(ld, cookie, dn, mechanism, cred, sctrls, cctrls, &msgid);
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if (rc != LDAP_SUCCESS) return rc;
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if (ldap_result(ld, msgid, LDAP_MSG_ALL, (struct timeval *) NULL, &res) == -1 || !res) {
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return ld->ld_errno;
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}
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2010-12-15 08:59:42 +08:00
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rc = ldap_parse_verify_credentials(ld, res, scookie, scred, authzid);
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2010-12-15 04:58:02 +08:00
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if (rc != LDAP_SUCCESS) {
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ldap_msgfree(res);
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return rc;
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}
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return( ldap_result2error(ld, res, 1));
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}
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