int
LDAP_CALL
ldap_url_parse( const char *url, LDAPURLDesc **ludpp )
{
/*
* Pick apart the pieces of an LDAP URL.
*/
int rc;
if (( rc = nsldapi_url_parse( url, ludpp, 1 )) == 0 ) {
if ( (*ludpp)->lud_scope == -1 ) {
(*ludpp)->lud_scope = LDAP_SCOPE_BASE;
}
if ( (*ludpp)->lud_filter == NULL ) {
(*ludpp)->lud_filter = "(objectclass=*)";
}
if ( *((*ludpp)->lud_dn) == '\0' ) {
(*ludpp)->lud_dn = NULL;
}
} else if ( rc == LDAP_URL_UNRECOGNIZED_CRITICAL_EXTENSION ) {
rc = LDAP_URL_ERR_PARAM; /* mapped for backwards compatibility */
}
return( rc );
}
/*
* returns an LDAP error code
*
* XXXmcs: this function used to have #ifdef LDAP_DNS code in it but I
* removed it when I improved the parsing (we don't define LDAP_DNS
* here at Netscape).
*/
static int
chase_one_referral( LDAP *ld, LDAPRequest *lr, LDAPRequest *origreq,
char *refurl, char *desc, int *unknownp )
{
int rc, tmprc, secure, msgid;
LDAPServer *srv;
BerElement *ber;
LDAPURLDesc *ludp;
*unknownp = 0;
ludp = NULLLDAPURLDESC;
if ( nsldapi_url_parse( refurl, &ludp, 0 ) != 0 ) {
LDAPDebug( LDAP_DEBUG_TRACE,
"ignoring unknown %s <%s>\n", desc, refurl, 0 );
*unknownp = 1;
rc = LDAP_SUCCESS;
goto cleanup_and_return;
}
secure = (( ludp->lud_options & LDAP_URL_OPT_SECURE ) != 0 );
/* XXXmcs: can't tell if secure is supported by connect callback */
if ( secure && ld->ld_extconnect_fn == NULL ) {
LDAPDebug( LDAP_DEBUG_TRACE,
"ignoring LDAPS %s <%s>\n", desc, refurl, 0 );
*unknownp = 1;
rc = LDAP_SUCCESS;
goto cleanup_and_return;
}
LDAPDebug( LDAP_DEBUG_TRACE, "chasing LDAP%s %s: <%s>\n",
secure ? "S" : "", desc, refurl );
LDAP_MUTEX_LOCK( ld, LDAP_MSGID_LOCK );
msgid = ++ld->ld_msgid;
LDAP_MUTEX_UNLOCK( ld, LDAP_MSGID_LOCK );
if (( tmprc = re_encode_request( ld, origreq->lr_ber, msgid,
ludp, &ber )) != LDAP_SUCCESS ) {
rc = tmprc;
goto cleanup_and_return;
}
if (( srv = (LDAPServer *)NSLDAPI_CALLOC( 1, sizeof( LDAPServer )))
== NULL ) {
ber_free( ber, 1 );
rc = LDAP_NO_MEMORY;
goto cleanup_and_return;
}
if (ludp->lud_host == NULL && ld->ld_defhost == NULL) {
srv->lsrv_host = NULL;
} else {
if (ludp->lud_host == NULL) {
srv->lsrv_host =
nsldapi_strdup( origreq->lr_conn->lconn_server->lsrv_host );
LDAPDebug(LDAP_DEBUG_TRACE,
"chase_one_referral: using hostname '%s' from original "
"request on new request\n",
srv->lsrv_host, 0, 0);
} else {
srv->lsrv_host = nsldapi_strdup(ludp->lud_host);
LDAPDebug(LDAP_DEBUG_TRACE,
"chase_one_referral: using hostname '%s' as specified "
"on new request\n",
srv->lsrv_host, 0, 0);
}
if (srv->lsrv_host == NULL) {
NSLDAPI_FREE((char *)srv);
ber_free(ber, 1);
rc = LDAP_NO_MEMORY;
goto cleanup_and_return;
}
}
/*
* According to our reading of RFCs 2255 and 1738, the
* following algorithm applies:
* - no hostport (no host, no port) provided in LDAP URL, use those
* of previous request
* - no port but a host, use default LDAP port
* - else use given hostport
*/
if (ludp->lud_port == 0 && ludp->lud_host == NULL) {
srv->lsrv_port = origreq->lr_conn->lconn_server->lsrv_port;
LDAPDebug(LDAP_DEBUG_TRACE,
"chase_one_referral: using port (%d) from original "
"request on new request\n",
srv->lsrv_port, 0, 0);
} else if (ludp->lud_port == 0 && ludp->lud_host != NULL) {
srv->lsrv_port = (secure) ? LDAPS_PORT : LDAP_PORT;
LDAPDebug(LDAP_DEBUG_TRACE,
"chase_one_referral: using default port (%d) \n",
srv->lsrv_port, 0, 0);
} else {
srv->lsrv_port = ludp->lud_port;
LDAPDebug(LDAP_DEBUG_TRACE,
"chase_one_referral: using port (%d) as specified on "
"new request\n",
srv->lsrv_port, 0, 0);
}
if ( secure ) {
srv->lsrv_options |= LDAP_SRV_OPT_SECURE;
}
if ( nsldapi_send_server_request( ld, ber, msgid,
lr, srv, NULL, NULL, 1 ) < 0 ) {
rc = LDAP_GET_LDERRNO( ld, NULL, NULL );
LDAPDebug( LDAP_DEBUG_ANY, "Unable to chase %s %s (%s)\n",
desc, refurl, ldap_err2string( rc ));
} else {
rc = LDAP_SUCCESS;
}
cleanup_and_return:
if ( ludp != NULLLDAPURLDESC ) {
ldap_free_urldesc( ludp );
}
return( rc );
}
int
LDAP_CALL
ldap_url_parse_no_defaults( const char *url, LDAPURLDesc **ludpp, int dn_required)
{
return( nsldapi_url_parse( url, ludpp, dn_required ) );
}
