overlays reworking

configure.in

@@ -244,6 +244,10 @@ dnl ----------------------------------------------------------------
 dnl SLAPD Overlay Options
 AC_ARG_WITH(xxslapoverlays,[
 SLAPD Overlay Options:])
+OL_ARG_WITH(chain,[    --with-chain   	  LDAP Chain Response no|yes|mod], no,
+	[no yes mod])
+OL_ARG_WITH(denyop,[    --with-denyop  	  Deny Operation overlay no|yes|mod], no,
+	[no yes mod])
 OL_ARG_WITH(dyngroup,[    --with-dyngroup	  Dynamic Group overlay no|yes|mod], no,
 	[no yes mod])
 OL_ARG_WITH(proxycache,[    --with-proxycache	  Proxy Cache overlay no|yes|mod], no,
@@ -377,6 +381,13 @@ if test $ol_enable_slapd = no ; then
 	if test $ol_enable_rewrite = yes ; then
 		AC_MSG_WARN([slapd disabled, ignoring --enable-rewrite argument])
 	fi
+	dnl overlays
+	if test $ol_with_chain != no ; then
+		AC_MSG_WARN([slapd disabled, ignoring --with-chain argument])
+	fi
+	if test $ol_with_denyop != no ; then
+		AC_MSG_WARN([slapd disabled, ignoring --with-denyop argument])
+	fi
 	if test $ol_with_dyngroup != no ; then
 		AC_MSG_WARN([slapd disabled, ignoring --with-dyngroup argument])
 	fi
@@ -430,6 +441,8 @@ if test $ol_enable_slapd = no ; then
 
 	ol_enable_rewrite=no
 
+	ol_with_chain=no
+	ol_with_denyop=no
 	ol_with_dyngroup=no
 	ol_with_proxycache=no
 	ol_with_rwm=no
@@ -594,6 +607,8 @@ BUILD_RELAY_DYNAMIC=static
 BUILD_SHELL_DYNAMIC=static
 BUILD_SQL_DYNAMIC=static
 
+BUILD_CHAIN=no
+BUILD_DENYOP=no
 BUILD_DYNGROUP=no
 BUILD_PROXYCACHE=no
 BUILD_RWM=no
@@ -826,6 +841,14 @@ else
 	ol_with_relay_module=static
 	ol_with_shell_module=static
 	ol_with_sql_module=static
+	if test $ol_with_chain = mod ; then
+		AC_MSG_WARN([building static chain overlay])
+		ol_with_chain=yes
+	fi
+	if test $ol_with_denyop = mod ; then
+		AC_MSG_WARN([building static denyop overlay])
+		ol_with_denyop=yes
+	fi
 	if test $ol_with_dyngroup = mod ; then
 		AC_MSG_WARN([building static dyngroup overlay])
 		ol_with_dyngroup=yes
@@ -2767,6 +2790,28 @@ if test "$ol_link_sql" != no ; then
 	fi
 fi
 
+if test "$ol_with_chain" != no ; then
+	BUILD_CHAIN=$ol_with_chain
+	if test "$ol_with_chain" = mod ; then
+		MFLAG=SLAPD_MOD_DYNAMIC
+		SLAPD_DYNAMIC_OVERLAYS="$SLAPD_DYNAMIC_OVERLAYS chain.la"
+	else
+		MFLAG=SLAPD_MOD_STATIC
+	fi
+	AC_DEFINE_UNQUOTED(SLAPD_OVER_CHAIN,$MFLAG,[define for Dynamic Group overlay])
+fi
+
+if test "$ol_with_denyop" != no ; then
+	BUILD_DENYOP=$ol_with_denyop
+	if test "$ol_with_denyop" = mod ; then
+		MFLAG=SLAPD_MOD_DYNAMIC
+		SLAPD_DYNAMIC_OVERLAYS="$SLAPD_DYNAMIC_OVERLAYS denyop.la"
+	else
+		MFLAG=SLAPD_MOD_STATIC
+	fi
+	AC_DEFINE_UNQUOTED(SLAPD_OVER_DENYOP,$MFLAG,[define for Dynamic Group overlay])
+fi
+
 if test "$ol_with_dyngroup" != no ; then
 	BUILD_DYNGROUP=$ol_with_dyngroup
 	if test "$ol_with_dyngroup" = mod ; then
@@ -2843,8 +2888,10 @@ AC_SUBST(WITH_TLS)
 AC_SUBST(BUILD_LIBS_DYNAMIC)
 
 AC_SUBST(BUILD_SLAPD)
+dnl slapi
   AC_SUBST(BUILD_SLAPI)
   AC_SUBST(SLAPD_SLAPI_DEPEND)
+dnl backends
   AC_SUBST(BUILD_BDB)
   AC_SUBST(BUILD_DNSSRV)
   AC_SUBST(BUILD_HDB)
@@ -2858,6 +2905,7 @@ AC_SUBST(BUILD_SLAPD)
   AC_SUBST(BUILD_PERL)
   AC_SUBST(BUILD_SHELL)
   AC_SUBST(BUILD_SQL)
+dnl backend modules
   AC_SUBST(BUILD_BDB_DYNAMIC)
   AC_SUBST(BUILD_DNSSRV_DYNAMIC)
   AC_SUBST(BUILD_HDB_DYNAMIC)
@@ -2871,6 +2919,9 @@ AC_SUBST(BUILD_SLAPD)
   AC_SUBST(BUILD_RELAY_DYNAMIC)
   AC_SUBST(BUILD_SHELL_DYNAMIC)
   AC_SUBST(BUILD_SQL_DYNAMIC)
+dnl overlays
+  AC_SUBST(BUILD_CHAIN)
+  AC_SUBST(BUILD_DENYOP)
   AC_SUBST(BUILD_DYNGROUP)
   AC_SUBST(BUILD_PROXYCACHE)
   AC_SUBST(BUILD_RWM)

doc/man/man5/slapd-relay.5

@@ -12,7 +12,7 @@ running in the same
 instance into a virtual naming context, with attributeType
 and objectClass manipulation, if required.
 It requires the
-.B rewrite-remap
+.B rwm
 .BR overlay .
 .LP
 This backend and the above mentioned overlay are experimental.
@@ -32,7 +32,7 @@ under a virtual naming context.
 The presence of the directive implies that one single database
 will be presented under a virtual naming context.
 This directive automatically instantiates the 
-.B rewrite-remap
+.B rwm
 .BR overlay .
 If the optional
 .B massage
@@ -60,7 +60,7 @@ e.g. groups on one database and persons on another.
 .LP
 .SH Caveats
 The
-.B rewrite-remap overlay
+.B rwm overlay
 is far from complete.
 .LP
 .SH EXAMPLES
@@ -79,7 +79,7 @@ that looks up the real naming context for each operation, use
 .nf
   database        relay
   suffix          "dc=virtual,dc=naming,dc=context"
-  overlay         rewrite-remap
+  overlay         rwm
   suffixmassage   "dc=virtual,dc=naming,dc=context"
           "dc=real,dc=naming,dc=context"
 .fi
@@ -104,7 +104,7 @@ back from the real to the virtual naming context, use
 .LP
 Note that the virtual database is bound to a single real database,
 so the 
-.B rewrite-remap overlay
+.B rwm overlay
 is automatically instantiated, but the rewrite rules 
 are written explicitly to map all the virtual to real 
 naming context data flow, but none of the real to virtual.

servers/slapd/back-ldap/Makefile.in

@@ -15,10 +15,10 @@
 
 SRCS	= init.c config.c search.c bind.c unbind.c add.c compare.c \
 		delete.c modify.c modrdn.c \
-		suffixmassage.c map.c extended.c chain.c
+		suffixmassage.c map.c extended.c
 OBJS	= init.lo config.lo search.lo bind.lo unbind.lo add.lo compare.lo \
 		delete.lo modify.lo modrdn.lo \
-		suffixmassage.lo map.lo extended.lo chain.lo
+		suffixmassage.lo map.lo extended.lo
 
 LDAP_INCDIR= ../../../include       
 LDAP_LIBDIR= ../../../libraries

servers/slapd/back-ldap/back-ldap.h

@@ -184,8 +184,6 @@ extern int suffix_massage_config( struct rewrite_info *info,
 extern int ldap_dnattr_rewrite( dncookie *dc, BerVarray a_vals );
 extern int ldap_dnattr_result_rewrite( dncookie *dc, BerVarray a_vals );
 
-extern int ldap_chain_setup();
-
 #ifdef LDAP_BACK_PROXY_AUTHZ
 extern int
 ldap_back_proxy_authz_ctrl(

servers/slapd/back-ldap/init.c

@@ -82,8 +82,6 @@ ldap_back_initialize(
 	bi->bi_connection_init = 0;
 	bi->bi_connection_destroy = ldap_back_conn_destroy;
 
-	ldap_chain_setup();
-
 	return 0;
 }
 

servers/slapd/back-relay/config.c

@@ -91,10 +91,9 @@ relay_back_db_config(
 
 		ri->ri_realsuffix = ndn;
 
-		if ( overlay_config( be, "rewrite-remap" ) ) {
+		if ( overlay_config( be, "rwm" ) ) {
 			fprintf( stderr, "%s: line %d: unable to install "
-					"rewrite-remap overlay "
-					"in back-relay "
+					"rwm overlay "
 					"in \"relay <dn> [massage]\" line\n",
 					fname, lineno );
 			return 1;

servers/slapd/overlays/Makefile.in

@@ -13,10 +13,18 @@
 ## top-level directory of the distribution or, alternatively, at
 ## <http://www.OpenLDAP.org/license.html>.
 
-SRCS = overlays.c dyngroup.c pcache.c \
-	rwm.c rwmconf.c rwmdn.c rwmmap.c denyop.c
-OBJS = overlays.lo dyngroup.lo pcache.lo \
-	rwm.lo rwmconf.lo rwmdn.lo rwmmap.lo denyop.lo
+SRCS = overlays.c \
+	chain.c \
+	denyop.c \
+	dyngroup.c \
+	pcache.c \
+	rwm.c rwmconf.c rwmdn.c rwmmap.c
+OBJS = overlays.lo \
+	chain.c \
+	denyop.lo \
+	dyngroup.lo \
+	pcache.lo \
+	rwm.lo rwmconf.lo rwmdn.lo rwmmap.lo
 
 LDAP_INCDIR= ../../../include       
 LDAP_LIBDIR= ../../../libraries
@@ -33,6 +41,12 @@ 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)
+
 dyngroup.la : dyngroup.lo $(@PLAT@_LINK_LIBS)
 	$(LTLINK_MOD) -module -o $@ dyngroup.lo version.lo $(LINK_LIBS)
 
@@ -42,9 +56,6 @@ pcache.la : pcache.lo $(@PLAT@_LINK_LIBS)
 rwm.la : rwm.lo $(@PLAT@_LINK_LIBS)
 	$(LTLINK_MOD) -module -o $@ rwm.lo rwmconf.lo rwmdn.lo rwmmap.lo version.lo $(LINK_LIBS)
 
-denyop.la : denyop.lo $(@PLAT@_LINK_LIBS)
-	$(LTLINK_MOD) -module -o $@ denyop.lo version.lo $(LINK_LIBS)
-
 install-local:	$(PROGRAMS)
 	@if test -n "$?" ; then \
 		$(MKDIR) $(DESTDIR)$(moduledir); \

servers/slapd/back-ldap/chain.c → servers/slapd/overlays/chain.c

@@ -21,13 +21,17 @@
 
 #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.h"
+#include "../back-ldap/back-ldap.h"
 
 static int
 ldap_chain_response( Operation *op, SlapReply *rs )
@@ -143,12 +147,21 @@ static int ldap_chain_config(
     char	**argv
 )
 {
-	slap_overinst *on = (slap_overinst *) be->bd_info;
-	void *private = be->be_private;
-	int rc;
+	slap_overinst	*on = (slap_overinst *) be->bd_info;
+	void		*private = be->be_private;
+	char		*argv0 = NULL;
+	int		rc;
 
 	be->be_private = on->on_bi.bi_private;
+	if ( strncasecmp( argv[ 0 ], "chain-", sizeof( "chain-" ) - 1 ) == 0 ) {
+		argv0 = argv[ 0 ];
+		argv[ 0 ] = &argv[ 0 ][ sizeof( "chain-" ) - 1 ];
+	}
 	rc = ldap_back_db_config( be, fname, lineno, argc, argv );
+	if ( argv0 ) {
+		argv[ 0 ] = argv0;
+	}
+	
 	be->be_private = private;
 	return rc;
 }
@@ -185,7 +198,7 @@ static int ldap_chain_destroy(
 
 static slap_overinst ldapchain;
 
-int ldap_chain_setup()
+int chain_init()
 {
 	ldapchain.on_bi.bi_type = "chain";
 	ldapchain.on_bi.bi_db_init = ldap_chain_init;
@@ -195,3 +208,13 @@ int ldap_chain_setup()
 
 	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/overlays/denyop.c

@@ -223,7 +223,8 @@ denyop_destroy(
 
 static slap_overinst denyop;
 
-int denyop_init() {
+int
+denyop_init() {
 	memset( &denyop, 0, sizeof( slap_overinst ) );
 	denyop.on_bi.bi_type = "denyop";
 	denyop.on_bi.bi_db_init = denyop_over_init;
@@ -246,7 +247,8 @@ int denyop_init() {
 }
 
 #if SLAPD_OVER_DENYOP == SLAPD_MOD_DYNAMIC
-int init_module(int argc, char *argv[]) {
+int
+init_module(int argc, char *argv[]) {
 	return denyop_init();
 }
 #endif

servers/slapd/overlays/overlays.c

@@ -24,6 +24,12 @@
 #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
 #if SLAPD_OVER_DYNGROUP == SLAPD_MOD_STATIC
 extern int dyngroup_init();
 #endif
@@ -38,6 +44,12 @@ 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
 #if SLAPD_OVER_DYNGROUP == SLAPD_MOD_STATIC
 	{ "Dynamic Group", dyngroup_init },
 #endif

servers/slapd/overlays/rwm.c

@@ -738,7 +738,7 @@ rwm_init(void)
 {
 	memset( &rwm, 0, sizeof(slap_overinst) );
 
-	rwm.on_bi.bi_type = "rewrite-remap";
+	rwm.on_bi.bi_type = "rwm";
 	rwm.on_bi.bi_db_init = rwm_over_init;
 	rwm.on_bi.bi_db_config = rwm_config;
 	rwm.on_bi.bi_db_destroy = rwm_destroy;