put back chain overlay into back-ldap

servers/slapd/back-ldap/Makefile.in

@@ -14,9 +14,9 @@
 ## <http://www.OpenLDAP.org/license.html>.
 
 SRCS	= init.c config.c search.c bind.c unbind.c add.c compare.c \
-		delete.c modify.c modrdn.c extended.c
+		delete.c modify.c modrdn.c extended.c chain.c
 OBJS	= init.lo config.lo search.lo bind.lo unbind.lo add.lo compare.lo \
-		delete.lo modify.lo modrdn.lo extended.lo
+		delete.lo modify.lo modrdn.lo extended.lo chain.lo
 
 LDAP_INCDIR= ../../../include       
 LDAP_LIBDIR= ../../../libraries

servers/slapd/back-ldap/chain.c

@@ -21,17 +21,13 @@
 
 #include "portable.h"
 
-#if defined(SLAPD_LDAP) 
-
-#ifdef SLAPD_OVER_CHAIN
-
 #include <stdio.h>
 
 #include <ac/string.h>
 #include <ac/socket.h>
 
 #include "slap.h"
-#include "../back-ldap/back-ldap.h"
+#include "back-ldap.h"
 
 static BackendInfo *lback;
 
@@ -388,7 +384,7 @@ end_of_searchref:;
 }
 
 static int
-ldap_chain_config(
+ldap_chain_db_config(
 	BackendDB	*be,
 	const char	*fname,
 	int		lineno,
@@ -416,7 +412,7 @@ ldap_chain_config(
 }
 
 static int
-ldap_chain_init(
+ldap_chain_db_init(
 	BackendDB *be
 )
 {
@@ -424,6 +420,14 @@ ldap_chain_init(
 	void *private = be->be_private;
 	int rc;
 
+	if ( lback == NULL ) {
+		lback = backend_info( "ldap" );
+
+		if ( lback == NULL ) {
+			return -1;
+		}
+	}
+
 	be->be_private = NULL;
 	rc = lback->bi_db_init( be );
 	on->on_bi.bi_private = be->be_private;
@@ -433,7 +437,7 @@ ldap_chain_init(
 }
 
 static int
-ldap_chain_destroy(
+ldap_chain_db_destroy(
 	BackendDB *be
 )
 {
@@ -451,18 +455,12 @@ ldap_chain_destroy(
 static slap_overinst ldapchain;
 
 int
-chain_init()
+chain_init( void )
 {
-	lback = backend_info( "ldap" );
-
-	if ( !lback ) {
-		return -1;
-	}
-
 	ldapchain.on_bi.bi_type = "chain";
-	ldapchain.on_bi.bi_db_init = ldap_chain_init;
-	ldapchain.on_bi.bi_db_config = ldap_chain_config;
-	ldapchain.on_bi.bi_db_destroy = ldap_chain_destroy;
+	ldapchain.on_bi.bi_db_init = ldap_chain_db_init;
+	ldapchain.on_bi.bi_db_config = ldap_chain_db_config;
+	ldapchain.on_bi.bi_db_destroy = ldap_chain_db_destroy;
 	
 	/* ... otherwise the underlying backend's function would be called,
 	 * likely passing an invalid entry; on the contrary, the requested
@@ -483,12 +481,3 @@ chain_init()
 	return overlay_register( &ldapchain );
 }
 
-#if SLAPD_OVER_CHAIN == SLAPD_MOD_DYNAMIC
-int init_module(int argc, char *argv[]) {
-	return chain_init();
-}
-#endif /* SLAPD_OVER_CHAIN == SLAPD_MOD_DYNAMIC */
-
-#endif /* SLAPD_OVER_CHAIN */
-
-#endif /* ! defined(SLAPD_LDAP) */

servers/slapd/back-ldap/init.c

@@ -70,6 +70,10 @@ ldap_back_initialize( BackendInfo *bi )
 	bi->bi_connection_init = 0;
 	bi->bi_connection_destroy = ldap_back_conn_destroy;
 
+	if ( chain_init( ) ) {
+		return -1;
+	}
+
 	return 0;
 }
 

servers/slapd/overlays/Makefile.in

@@ -14,7 +14,6 @@
 ## <http://www.OpenLDAP.org/license.html>.
 
 SRCS = overlays.c \
-	chain.c \
 	denyop.c \
 	dyngroup.c \
 	glue.c \
@@ -26,7 +25,6 @@ SRCS = overlays.c \
 	syncprov.c \
 	unique.c
 OBJS = overlays.lo \
-	chain.lo \
 	denyop.lo \
 	dyngroup.lo \
 	glue.lo \
@@ -53,9 +51,6 @@ PROGRAMS = @SLAPD_DYNAMIC_OVERLAYS@
 XINCPATH = -I.. -I$(srcdir)/..
 XDEFS = $(MODULES_CPPFLAGS)
 
-chain.la : chain.lo $(@PLAT@_LINK_LIBS)
-	$(LTLINK_MOD) -module -o $@ chain.lo version.lo $(LINK_LIBS)
-
 denyop.la : denyop.lo $(@PLAT@_LINK_LIBS)
 	$(LTLINK_MOD) -module -o $@ denyop.lo version.lo $(LINK_LIBS)
 

servers/slapd/overlays/overlays.c

@@ -23,9 +23,6 @@
 
 #include "slap.h"
 
-#if SLAPD_OVER_CHAIN == SLAPD_MOD_STATIC
-extern int chain_init();
-#endif
 #if SLAPD_OVER_DENYOP == SLAPD_MOD_STATIC
 extern int denyop_init();
 #endif
@@ -61,9 +58,6 @@ static struct {
 	char *name;
 	int (*func)();
 } funcs[] = {
-#if SLAPD_OVER_CHAIN == SLAPD_MOD_STATIC
-	{ "LDAP Chain Response", chain_init },
-#endif
 #if SLAPD_OVER_DENYOP == SLAPD_MOD_STATIC
 	{ "Deny Operation", denyop_init },
 #endif