/* bind.c - decode an ldap bind operation and pass it to a backend db */
/* $OpenLDAP$ */
/*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
Operation *op
)
{
- BerElement *ber = op->o_ber;
- ber_int_t version;
+ BerElement *ber = op->o_ber;
+ ber_int_t version;
ber_tag_t method;
- char *mech;
- char *saslmech;
- char *dn;
- char *ndn;
- ber_tag_t tag;
- int rc = LDAP_SUCCESS;
- const char *text;
- struct berval cred;
- Backend *be;
-
+ char *mech = NULL;
+ struct berval dn = { 0, NULL };
+ struct berval pdn = { 0, NULL };
+ struct berval ndn = { 0, NULL };
+ ber_tag_t tag;
+ int rc = LDAP_SUCCESS;
+ const char *text;
+ struct berval cred = { 0, NULL };
+ Backend *be;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+ "do_bind: conn %d\n", conn->c_connid ));
+#else
Debug( LDAP_DEBUG_TRACE, "do_bind\n", 0, 0, 0 );
-
- dn = NULL;
- ndn = NULL;
- mech = NULL;
- cred.bv_val = NULL;
-
- ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+#endif
/*
* Force to connection to "anonymous" until bind succeeds.
*/
-
- if ( conn->c_authmech != NULL ) {
- free( conn->c_authmech );
- conn->c_authmech = NULL;
- }
-
- if ( conn->c_cdn != NULL ) {
- free( conn->c_cdn );
- conn->c_cdn = NULL;
- }
-
- if ( conn->c_dn != NULL ) {
- free( conn->c_dn );
- conn->c_dn = NULL;
- }
-
- conn->c_authc_backend = NULL;
- conn->c_authz_backend = NULL;
-
+ ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+ connection2anonymous( conn );
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
- if ( op->o_dn != NULL ) {
- free( op->o_dn );
- op->o_dn = ch_strdup( "" );
+ if ( op->o_dn.bv_val != NULL ) {
+ free( op->o_dn.bv_val );
+ op->o_dn.bv_val = ch_strdup( "" );
+ op->o_dn.bv_len = 0;
}
- if ( op->o_ndn != NULL ) {
- free( op->o_ndn );
- op->o_ndn = ch_strdup( "" );
+ if ( op->o_ndn.bv_val != NULL ) {
+ free( op->o_ndn.bv_val );
+ op->o_ndn.bv_val = ch_strdup( "" );
+ op->o_ndn.bv_len = 0;
}
/*
* }
*
* SaslCredentials ::= SEQUENCE {
- * mechanism LDAPString,
- * credentials OCTET STRING OPTIONAL
+ * mechanism LDAPString,
+ * credentials OCTET STRING OPTIONAL
* }
*/
- tag = ber_scanf( ber, "{iat" /*}*/, &version, &dn, &method );
+ tag = ber_scanf( ber, "{imt" /*}*/, &version, &dn, &method );
if ( tag == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "do_bind: conn %d ber_scanf failed\n", conn->c_connid ));
+#else
Debug( LDAP_DEBUG_ANY, "bind: ber_scanf failed\n", 0, 0, 0 );
+#endif
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
rc = -1;
op->o_protocol = version;
if( method != LDAP_AUTH_SASL ) {
- tag = ber_scanf( ber, /*{*/ "o}", &cred );
+ tag = ber_scanf( ber, /*{*/ "m}", &cred );
} else {
tag = ber_scanf( ber, "{a" /*}*/, &mech );
tag = ber_peek_tag( ber, &len );
if ( tag == LDAP_TAG_LDAPCRED ) {
- tag = ber_scanf( ber, "o", &cred );
+ tag = ber_scanf( ber, "m", &cred );
+ } else {
+ tag = LDAP_TAG_LDAPCRED;
+ cred.bv_val = NULL;
+ cred.bv_len = 0;
}
if ( tag != LBER_ERROR ) {
if ( tag == LBER_ERROR ) {
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR,
- "decoding error" );
+ "decoding error" );
rc = SLAPD_DISCONNECT;
goto cleanup;
}
if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+ "do_bind: conn %d get_ctrls failed\n", conn->c_connid ));
+#else
Debug( LDAP_DEBUG_ANY, "do_bind: get_ctrls failed\n", 0, 0, 0 );
+#endif
goto cleanup;
}
- ndn = ch_strdup( dn );
-
- if ( dn_normalize( ndn ) == NULL ) {
- Debug( LDAP_DEBUG_ANY, "bind: invalid dn (%s)\n", dn, 0, 0 );
+ rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn );
+ if ( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+ "do_bind: conn %d invalid dn (%s)\n",
+ conn->c_connid, dn.bv_val ));
+#else
+ Debug( LDAP_DEBUG_ANY, "bind: invalid dn (%s)\n",
+ dn.bv_val, 0, 0 );
+#endif
send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
"invalid DN", NULL, NULL );
goto cleanup;
}
if( method == LDAP_AUTH_SASL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
+ "do_sasl_bind: conn %d dn (%s) mech %s\n", conn->c_connid,
+ pdn.bv_val, mech ));
+#else
Debug( LDAP_DEBUG_TRACE, "do_sasl_bind: dn (%s) mech %s\n",
- dn, mech, NULL );
+ pdn.bv_val, mech, NULL );
+#endif
+
} else {
- Debug( LDAP_DEBUG_TRACE, "do_bind: version=%ld dn=\"%s\" method=%ld\n",
- (unsigned long) version, dn, (unsigned long) method );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
+ "do_bind: conn %d version=%ld dn=\"%s\" method=%ld\n",
+ conn->c_connid, (unsigned long) version,
+ pdn.bv_val, (unsigned long)method ));
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "do_bind: version=%ld dn=\"%s\" method=%ld\n",
+ (unsigned long) version,
+ pdn.bv_val, (unsigned long) method );
+#endif
}
Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d BIND dn=\"%s\" method=%ld\n",
- op->o_connid, op->o_opid, ndn, (unsigned long) method, 0 );
+ op->o_connid, op->o_opid, pdn.bv_val, (unsigned long) method, 0 );
if ( version < LDAP_VERSION_MIN || version > LDAP_VERSION_MAX ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+ "do_bind: conn %d unknown version = %ld\n",
+ conn->c_connid, (unsigned long)version ));
+#else
Debug( LDAP_DEBUG_ANY, "do_bind: unknown version=%ld\n",
(unsigned long) version, 0, 0 );
+#endif
send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
NULL, "requested protocol version not supported", NULL, NULL );
goto cleanup;
- } else if (( global_disallows & SLAP_DISALLOW_BIND_V2 ) &&
+ } else if (!( global_allows & SLAP_ALLOW_BIND_V2 ) &&
version < LDAP_VERSION3 )
{
send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
conn->c_protocol = version;
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+ /* check for inappropriate controls */
+ if( get_manageDSAit( op ) == SLAP_CRITICAL_CONTROL ) {
+ send_ldap_result( conn, op,
+ rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
+ NULL, "manageDSAit control inappropriate",
+ NULL, NULL );
+ goto cleanup;
+ }
+
if ( method == LDAP_AUTH_SASL ) {
char *edn;
slap_ssf_t ssf = 0;
if ( version < LDAP_VERSION3 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+ "do_bind: conn %d sasl with LDAPv%ld\n",
+ conn->c_connid, (unsigned long)version ));
+#else
Debug( LDAP_DEBUG_ANY, "do_bind: sasl with LDAPv%ld\n",
(unsigned long) version, 0, 0 );
+#endif
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "SASL bind requires LDAPv3" );
rc = SLAPD_DISCONNECT;
goto cleanup;
}
- if( mech == NULL || *mech == '\0' ) {
+ if( mech == NULL || mech[0] == '\0' ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+ "do_bind: conn %d no SASL mechanism provided\n",
+ conn->c_connid ));
+#else
Debug( LDAP_DEBUG_ANY,
"do_bind: no sasl mechanism provided\n",
0, 0, 0 );
+#endif
send_ldap_result( conn, op, rc = LDAP_AUTH_METHOD_NOT_SUPPORTED,
NULL, "no SASL mechanism provided", NULL, NULL );
goto cleanup;
}
- ldap_pvt_thread_mutex_lock( &conn->c_mutex );
-
- if ( conn->c_sasl_bind_mech != NULL ) {
- /* SASL bind is in progress */
- saslmech = NULL;
+ /* check restrictions */
+ rc = backend_check_restrictions( NULL, conn, op, mech, &text );
+ if( rc != LDAP_SUCCESS ) {
+ send_ldap_result( conn, op, rc,
+ NULL, text, NULL, NULL );
+ goto cleanup;
+ }
+ ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+ if ( conn->c_sasl_bind_in_progress ) {
if((strcmp(conn->c_sasl_bind_mech, mech) != 0)) {
- /* mechanism changed */
+ /* mechanism changed between bind steps */
slap_sasl_reset(conn);
}
-
- free( conn->c_sasl_bind_mech );
- conn->c_sasl_bind_mech = NULL;
-
-#ifdef LDAP_DEBUG
} else {
- /* SASL bind is NOT in progress */
- saslmech = mech;
- assert( conn->c_sasl_bind_mech == NULL );
-#endif
+ conn->c_sasl_bind_mech = mech;
+ mech = NULL;
}
-
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
edn = NULL;
- rc = slap_sasl_bind( conn, op, dn, ndn, saslmech, &cred,
- &edn, &ssf );
+ rc = slap_sasl_bind( conn, op,
+ &pdn, &ndn,
+ &cred, &edn, &ssf );
+ ldap_pvt_thread_mutex_lock( &conn->c_mutex );
if( rc == LDAP_SUCCESS ) {
- ldap_pvt_thread_mutex_lock( &conn->c_mutex );
- conn->c_dn = edn;
- conn->c_authmech = mech;
- if( ssf ) conn->c_sasl_layers++;
+ conn->c_dn.bv_val = edn;
+ if( edn != NULL ) {
+ conn->c_dn.bv_len = strlen( edn );
+ dnNormalize2( NULL, &conn->c_dn, &conn->c_ndn );
+ }
+ conn->c_authmech = conn->c_sasl_bind_mech;
+ conn->c_sasl_bind_mech = NULL;
+ conn->c_sasl_bind_in_progress = 0;
+
conn->c_sasl_ssf = ssf;
if( ssf > conn->c_ssf ) {
conn->c_ssf = ssf;
}
- ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+
+ if( conn->c_dn.bv_len != 0 ) {
+ ber_len_t max = sockbuf_max_incoming;
+ ber_sockbuf_ctrl( conn->c_sb,
+ LBER_SB_OPT_SET_MAX_INCOMING, &max );
+ }
} else if ( rc == LDAP_SASL_BIND_IN_PROGRESS ) {
- conn->c_sasl_bind_mech = mech;
- }
+ conn->c_sasl_bind_in_progress = 1;
- mech = NULL;
+ } else {
+ if ( conn->c_sasl_bind_mech ) {
+ free( conn->c_sasl_bind_mech );
+ conn->c_sasl_bind_mech = NULL;
+ }
+ conn->c_sasl_bind_in_progress = 0;
+ }
+ ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
goto cleanup;
ldap_pvt_thread_mutex_lock( &conn->c_mutex );
if ( conn->c_sasl_bind_mech != NULL ) {
- assert( conn->c_sasl_bind_in_progress );
-
free(conn->c_sasl_bind_mech);
conn->c_sasl_bind_mech = NULL;
-
- } else {
- assert( !conn->c_sasl_bind_in_progress );
}
+ conn->c_sasl_bind_in_progress = 0;
slap_sasl_reset( conn );
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
}
- /* accept "anonymous" binds */
- if ( cred.bv_len == 0 || ndn == NULL || *ndn == '\0' ) {
- rc = LDAP_SUCCESS;
- text = NULL;
-
- if( cred.bv_len &&
- ( global_disallows & SLAP_DISALLOW_BIND_ANON_CRED ))
- {
- /* cred is not empty, disallow */
- rc = LDAP_INVALID_CREDENTIALS;
-
- } else if ( ndn != NULL && *ndn != '\0' &&
- ( global_disallows & SLAP_DISALLOW_BIND_ANON_DN ))
- {
- /* DN is not empty, disallow */
+ if ( method == LDAP_AUTH_SIMPLE ) {
+ /* accept "anonymous" binds */
+ if ( cred.bv_len == 0 || ndn.bv_len == 0 ) {
+ rc = LDAP_SUCCESS;
+ text = NULL;
+
+ if( cred.bv_len &&
+ !( global_allows & SLAP_ALLOW_BIND_ANON_CRED ))
+ {
+ /* cred is not empty, disallow */
+ rc = LDAP_INVALID_CREDENTIALS;
+
+ } else if ( ndn.bv_len &&
+ !( global_allows & SLAP_ALLOW_BIND_ANON_DN ))
+ {
+ /* DN is not empty, disallow */
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ text = "unwilling to allow anonymous bind with non-empty DN";
+
+ } else if ( global_disallows & SLAP_DISALLOW_BIND_ANON ) {
+ /* disallow */
+ rc = LDAP_INAPPROPRIATE_AUTH;
+ text = "anonymous bind disallowed";
+
+ } else {
+ rc = backend_check_restrictions( NULL, conn, op, mech, &text );
+ }
+
+ /*
+ * we already forced connection to "anonymous",
+ * just need to send success
+ */
+ send_ldap_result( conn, op, rc,
+ NULL, text, NULL, NULL );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
+ "do_bind: conn %d v%d anonymous bind\n",
+ conn->c_connid, version ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "do_bind: v%d anonymous bind\n",
+ version, 0, 0 );
+#endif
+ goto cleanup;
+
+ } else if ( global_disallows & SLAP_DISALLOW_BIND_SIMPLE ) {
+ /* disallow simple authentication */
rc = LDAP_UNWILLING_TO_PERFORM;
- text = "unwilling to allow anonymous bind with non-empty DN";
+ text = "unwilling to perform simple authentication";
+
+ send_ldap_result( conn, op, rc,
+ NULL, text, NULL, NULL );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+ "do_bind: conn %d v%d simple bind(%s) disallowed\n",
+ conn->c_connid, version, ndn.bv_val ));
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "do_bind: v%d simple bind(%s) disallowed\n",
+ version, ndn.bv_val, 0 );
+#endif
+ goto cleanup;
+ }
- } else if ( global_disallows & SLAP_DISALLOW_BIND_ANON ) {
- /* disallow */
+#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
+ } else if ( method == LDAP_AUTH_KRBV41 || method == LDAP_AUTH_KRBV42 ) {
+ if ( global_disallows & SLAP_DISALLOW_BIND_KRBV4 ) {
+ /* disallow simple authentication */
rc = LDAP_UNWILLING_TO_PERFORM;
- text = "anonymous bind disallowed";
+ text = "unwilling to perform Kerberos V4 bind";
+
+ send_ldap_result( conn, op, rc,
+ NULL, text, NULL, NULL );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
+ "do_bind: conn %d v%d Kerberos V4 bind\n",
+ conn->c_connid, version ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "do_bind: v%d Kerberos V4 bind\n",
+ version, 0, 0 );
+#endif
+ goto cleanup;
}
+#endif
+
+ } else {
+ rc = LDAP_AUTH_METHOD_NOT_SUPPORTED;
+ text = "unknown authentication method";
- /*
- * we already forced connection to "anonymous",
- * just need to send success
- */
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
- Debug( LDAP_DEBUG_TRACE, "do_bind: v%d anonymous bind\n",
- version, 0, 0 );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+ "do_bind: conn %ld v%d unknown authentication method (%ld)\n",
+ conn->c_connid, version, method ));
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "do_bind: v%d unknown authentication method (%ld)\n",
+ version, method, 0 );
+#endif
goto cleanup;
}
* if we don't hold it.
*/
- if ( (be = select_backend( ndn )) == NULL ) {
+ if ( (be = select_backend( &ndn, 0, 0 )) == NULL ) {
if ( default_referral ) {
+ BerVarray ref = referral_rewrite( default_referral,
+ NULL, &pdn, LDAP_SCOPE_DEFAULT );
+
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
- NULL, NULL, default_referral, NULL );
+ NULL, NULL, ref ? ref : default_referral, NULL );
+
+ ber_bvarray_free( ref );
} else {
/* noSuchObject is not allowed to be returned by bind */
}
/* check restrictions */
- rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
- if( rc != LDAP_SUCCESS ) {
- send_ldap_result( conn, op, rc,
- NULL, text, NULL, NULL );
- goto cleanup;
- }
-
- if( op->o_ssf < be->be_ssf_set.sss_ssf ) {
- text = "confidentiality required";
- rc = LDAP_CONFIDENTIALITY_REQUIRED;
-
- } else if( op->o_transport_ssf < be->be_ssf_set.sss_transport ) {
- text = "transport confidentiality required";
- rc = LDAP_CONFIDENTIALITY_REQUIRED;
-
- } else if( op->o_tls_ssf < be->be_ssf_set.sss_tls ) {
- text = "TLS confidentiality required";
- rc = LDAP_CONFIDENTIALITY_REQUIRED;
-
- } else if( op->o_sasl_ssf < be->be_ssf_set.sss_sasl ) {
- text = "SASL confidentiality required";
- rc = LDAP_CONFIDENTIALITY_REQUIRED;
-
- } else if( be->be_restrictops & SLAP_RESTRICT_OP_BIND ) {
- text = "bind operation restricted";
- rc = LDAP_UNWILLING_TO_PERFORM;
- }
-
+ rc = backend_check_restrictions( be, conn, op, NULL, &text );
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
if ( be->be_bind ) {
int ret;
/* alias suffix */
- char *edn = NULL;
+ struct berval edn = { 0, NULL };
/* deref suffix alias if appropriate */
- ndn = suffix_alias( be, ndn );
+ suffix_alias( be, &ndn );
- ret = (*be->be_bind)( be, conn, op, dn, ndn,
- method, &cred, &edn );
+ ret = (*be->be_bind)( be, conn, op,
+ &pdn, &ndn, method, &cred, &edn );
if ( ret == 0 ) {
ldap_pvt_thread_mutex_lock( &conn->c_mutex );
- conn->c_cdn = dn;
- dn = NULL;
-
- if(edn != NULL) {
+ if(edn.bv_len) {
conn->c_dn = edn;
} else {
- conn->c_dn = ndn;
- ndn = NULL;
+ ber_dupbv( &conn->c_dn, &pdn );
+ }
+ conn->c_cdn = pdn;
+ pdn.bv_val = NULL;
+ pdn.bv_len = 0;
+
+ conn->c_ndn = ndn;
+ ndn.bv_val = NULL;
+ ndn.bv_len = 0;
+
+ if( conn->c_dn.bv_len != 0 ) {
+ ber_len_t max = sockbuf_max_incoming;
+ ber_sockbuf_ctrl( conn->c_sb,
+ LBER_SB_OPT_SET_MAX_INCOMING, &max );
}
- Debug( LDAP_DEBUG_TRACE, "do_bind: v%d bind: \"%s\" to \"%s\"\n",
- version, conn->c_cdn, conn->c_dn );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
+ "do_bind: conn %d v%d bind: \"%s\" to \"%s\" \n",
+ conn->c_connid, version, conn->c_cdn.bv_val, conn->c_dn.bv_val ));
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "do_bind: v%d bind: \"%s\" to \"%s\"\n",
+ version, conn->c_cdn.bv_val, conn->c_dn.bv_val );
+#endif
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
send_ldap_result( conn, op, LDAP_SUCCESS,
NULL, NULL, NULL, NULL );
- } else if (edn != NULL) {
- free( edn );
+ } else if (edn.bv_val != NULL) {
+ free( edn.bv_val );
}
} else {
send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
- NULL, "operation not supported within namingContext", NULL, NULL );
+ NULL, "operation not supported within namingContext",
+ NULL, NULL );
}
cleanup:
- if( rc != LDAP_SASL_BIND_IN_PROGRESS ) {
- ldap_pvt_thread_mutex_lock( &conn->c_mutex );
-
- /* dispose of mech */
- free( conn->c_sasl_bind_mech );
- conn->c_sasl_bind_mech = NULL;
-
- ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+ if( pdn.bv_val != NULL ) {
+ free( pdn.bv_val );
}
-
- if( dn != NULL ) {
- free( dn );
- }
- if( ndn != NULL ) {
- free( ndn );
+ if( ndn.bv_val != NULL ) {
+ free( ndn.bv_val );
}
if ( mech != NULL ) {
free( mech );
}
- if ( cred.bv_val != NULL ) {
- free( cred.bv_val );
- }
return rc;
}